Mock Interview Questions for Vulnerability Assessment Roles

1

What is vulnerability reporting?

Reference answer

Creating reports that show: Detected vulnerabilities Severity Remediation status

2

What tools have you used for vulnerability scanning and assessment?

Reference answer

Knowledge of tools is a given, but depth of experience with them matters. Do they have hands-on expertise with Nessus, Qualys, OpenVAS, or any other well-known tools? Their familiarity with these tools can indicate how quickly they will get up to speed with your existing systems.

3

Difference between UDP and TCP?

Reference answer

TCP is establishes a solid connection with a 3 way handshake(SYN, SYN/ACK, ACK) to ensure reliable data transfer. Flow control, error-checking and sequencing mechanisms are also implemented to maintain integrity of the session. Best for systems that need reliability such as web browsing, email, remote access and file transfer programs. UDP does not establish a solid connection, sending each packet independently without reliability, acknowledgment or flow control. This lack of overhead makes UDP much faster, making it ideal for video streaming, some online gaming and VoIP.

4

What is X-XSS-Protection?

Reference answer

- X-XSS-Protection : Enables a built-in XSS filter in modern web browsers to detect and mitigate certain types of XSS attacks. - Example : X-XSS-Protection: 1; mode=block

5

What is the OSSTMM (Open Source Security Testing Methodology Manual), and what are its standards?

Reference answer

The OSSTMM is a comprehensive guide to security testing, providing standards and best practices for conducting penetration tests.

6

Explain Cryptographic Failures in penetration testing?

Reference answer

Cryptographic failures are common in penetration testing. They can result in the compromise of sensitive information, as well as unauthorized access to systems. Lessons learned from cryptographic failures in penetration testing can be applied to avoid them in the future. Proper cryptography ensures that data transmissions are secure, preventing attackers from eavesdropping on or manipulating any messages being sent between two systems. Cryptographic failures in penetration tests can have serious consequences for organizations because they allow unauthorized individuals access to sensitive information and networks.

7

How do you prioritize security within the DevOps workflow?

Reference answer

Integrating security throughout the DevOps workflow is essential, starting with the incorporation of security requirements into user stories and extending to the timely execution of security testing during the development process. Regular security audits are also crucial to maintaining the security of our systems. This approach demands a persistent emphasis on measuring and enhancing security metrics, which fosters collaboration across teams and facilitates the automation of tools wherever feasible.

8

Explain the difference between LFI and RFI?

Reference answer

LFI includes files from the local server, while RFI includes files from a remote server, often requiring 'allow_url_include' to be enabled.

9

What is Pass-the-hash attack?

Reference answer

Pass-the-hash is an attack where an attacker uses captured NTLM hashes to authenticate to systems without knowing the plaintext password, exploiting the authentication protocol.

10

What is the purpose of a penetration testing report, and what should it include?

Reference answer

A penetration testing report should provide stakeholders with a comprehensive understanding of the security posture of a system, including identified vulnerabilities and recommended remediation.

11

What are the functions of a full-fledged Windows Rootkit?

Reference answer

A Windows Rootkit is a type of malware that infects and runs undetected within the Operating System (OS) of a computer. Once installed, it allows the creator or installer to perform various tasks on behalf of the rootkits' user without being detected by normal security measures. A full-fledged Windows Rootkit can allow hackers access to sensitive information like passwords, banking details, emails, and other personal data stored on the infected machine.

12

What is Vertical Privilege Escalation?

Reference answer

- Vertical Privilege Escalation: Involves gaining higher levels of access or permissions, such as escalating from a regular user to an administrator

13

What is Remote File Inclusion (RFI)?

Reference answer

Remote File Inclusion (RFI) is an exploit technique used in penetration testing whereby a malicious user includes files on the target server that are not actually part of the web application or system being tested. These files can be stored anywhere, but they must exist outside of the document root. This allows attackers to inject arbitrary script code into pages served up by vulnerable servers - potentially allowing them to steal data, execute commands as privileged users or even take over entirely compromised systems.

14

How do you keep yourself updated with information security?

Reference answer

I follow security blogs (e.g., Krebs on Security), subscribe to newsletters (e.g., SANS), attend conferences, and participate in online communities like Reddit's r/netsec.

15

What are differences between Tenable.io and Tenable.sc ?

Reference answer

Tenable.io is a cloud-based vulnerability management platform, while Tenable.sc (formerly SecurityCenter) is an on-premises solution. Tenable.io offers easier scalability and lower maintenance, whereas Tenable.sc provides more control and customization.

16

What is file less malwares or file less attack?

Reference answer

Fileless malware uses legitimate system tools (e.g., PowerShell, WMI) to execute malicious code in memory without writing files to disk, making detection difficult.

17

What are the different types of networks?

Reference answer

The types of networks are LAN, WAN, WLAN, system area network, storage area network, personal area network, and Metropolitan.

18

What are the prerequisites for a CSRF attack?

Reference answer

- Users should be logged in. - User should click on our poc

19

What is ‘defense in depth' in penetration testing?

Reference answer

‘Defense in depth' in penetration testing refers to a layered security approach designed to protect systems and data by implementing multiple defensive mechanisms at various levels. This strategy ensures that if one layer is compromised, others remain in place to detect or deter an attack. It includes measures such as firewalls, intrusion detection systems, encryption, and access controls to create a robust and resilient security posture.

20

Why is deleted data not truly gone when you delete it?

Reference answer

Deleting files often only removes pointers, leaving data on the disk until overwritten. Forensic tools can recover it.

21

What are some techniques to escalate privileges after gaining initial access in a network?

Reference answer

After gaining initial access, techniques to escalate privileges include identifying vulnerabilities such as weak configurations or outdated software. On Windows systems, token impersonation can be used, while on Linux, searching for misconfigured sudo privileges or SUID binaries is effective. In Active Directory environments, techniques like Kerberoasting or Pass-the-Hash attacks can escalate privileges by abusing the Kerberos protocol.

22

What is DNS spoofing, and how can it be prevented?

Reference answer

DNS spoofing is a type of attack where an attacker tricks a DNS server into resolving a legitimate domain name to a fake IP address. It can be prevented by implementing DNS security extensions like DNSSEC.

23

What are some tools for checking vulnerabilities?

Reference answer

Here are some tools for checking vulnerabilities: w3af Nmap Nikto2 OpenVAS Netsparker Nessus

24

Explain Broken Authentication.

Reference answer

Broken authentication refers to flaws in authentication mechanisms (e.g., weak passwords, session fixation) that allow attackers to compromise user accounts.

25

What is Risk Assessment in Security Testing?

Reference answer

Risk assessment in security testing involves: - Identifying threats (e.g., unauthorized access, malware) - Evaluating impact and likelihood - Prioritizing risks based on severity - Recommending mitigation strategies It allows the teams to face the most dangerous issues first and decide security intelligently. Risk assessment knowledge is expected in software tester interview questions, especially for senior QA or test lead roles.

26

What's the Difference Between Symmetric and Asymmetric Encryption?

Reference answer

Understanding this distinction is often covered in security testing interview questions to evaluate your grasp of cryptographic fundamentals. GSDC is a globally recognized certification body committed to advancing professional skills in cybersecurity, testing, and emerging tech domains.

27

What is Content Security Policy (CSP)?

Reference answer

- Content Security Policy (CSP) : Defines trusted sources for content, instructing the browser on which origins are safe to load resources from. By restricting the origins from which resources like scripts can be executed, CSP mitigates the risk of cross-site scripting (XSS) attacks, enhancing the security of web applications. - Example : Content-Security-Policy: default-src 'self'; script-src 'self' 'unsafe-inline';

28

What is a data leak? How can you detect it and prevent it?

Reference answer

A data leak is when a company's or organization's private data is released to the public in an unauthorized manner. Data leaks can come in many ways such as hacked emails and networks, stolen or lost laptops, or released photos. To prevent a data leak, a company needs to restrict internet uploads, add restrictions to email servers, and restrict the printing of confidential information and data. To detect a data leak, you'll need to: 1) Monitor access to all your networks 2) Evaluate the risk of third-parties 3) Identify and secure sensitive data 4) Encrypt data 5) Secure all endpoints 6) Evaluate permissions across the organization 7) Use cybersecurity risk assessments

29

What is Server-Side Request Forgery (SSRF) vulnerability?

Reference answer

Server-Side Request Forgery (SSRF) is a security vulnerability that allows an attacker to force a server to make unauthorized requests to external or internal resources. This often occurs when user input is not properly validated before being used to fetch remote resources. SSRF can be exploited to access internal systems, retrieve sensitive data, perform port scanning, or even execute arbitrary commands on the server. To mitigate SSRF vulnerabilities, developers should: - Validate and sanitize user inputs. - Restrict allowed outbound requests to a whitelist of trusted destinations. - Disable unnecessary network access from the server. - Utilize appropriate network segmentation to limit access to sensitive resources.

30

What are the four attack types in Burp Suite Intruder?

Reference answer

Intruder offers four attack types: - Sniper : Tries one thing at a time, like trying different keys on a lock. - Battering Ram : Does the same thing to every part of the website, like using the same key for every door. - Pitchfork : Tries different things in different places, like using different keys for different doors. - Cluster Bomb : Tries all sorts of combinations to see what works, like trying every key in every lock.

31

What Are the Legal Steps Involved in Penetration Testing?

Reference answer

There are many different types of tests that a penetration tester might do. These include: - Vulnerability scanning is the practice of scanning systems for potentially exploitable vulnerabilities. - IQ scanning is the use of intrusive and often automated methods to determine the security of systems. - Social engineering is the practice of exploiting human factors to gain access to systems. - Physical access is the attempt to gain unauthorized access to systems through direct or remote access.

32

Why are internal threats oftentimes more successful than external threats?

Reference answer

Internal threats have legitimate access, knowledge of systems, and may bypass perimeter defenses more easily.

33

What is Frame Injection vulnerability?

Reference answer

Frame Injection vulnerability occurs when an attacker is able to insert malicious content into a web page's iframe or frame. This manipulation can trick users into interacting with the attacker's content, such as entering sensitive information, believing it is part of the legitimate website. This type of vulnerability often leads to phishing attacks or unauthorized actions on behalf of the user.

34

Describe the OWASP Top Ten and its significance in security testing.

Reference answer

The OWASP Top Ten is a list of the most critical web application security risks, serving as a valuable resource for developers and security professionals. Its significance lies in guiding the industry towards best practices and standards for web security.

35

What is security testing, and why is it important in software development?

Reference answer

Security testing is the process of identifying and mitigating vulnerabilities in software systems to protect sensitive data and ensure system integrity. It is crucial in software development as it helps maintain user trust and compliance with regulatory standards.

36

What is a vulnerability disclosure program, and why is it important?

Reference answer

A vulnerability disclosure program (VDP) is a formalized process for external parties, such as security researchers or the public, to report vulnerabilities to an organization. It is important because it provides a structured way for organizations to receive and address vulnerabilities identified by third parties. VDPs help improve security by encouraging responsible disclosure and providing a clear channel for communication. They also demonstrate the organization's commitment to security and transparency.

37

Explain Phishing.

Reference answer

Phishing is a social engineering attack where attackers send fraudulent emails or messages that appear legitimate, tricking recipients into revealing sensitive information or downloading malware.

38

What is security posture?

Reference answer

Overall security strength of an organization.

39

How do you mitigate the risk of Kerberoasting?

Reference answer

Kerberoasting leverages a feature that is needed to make Kerberoast authentication work, so you can't just turn something off to make it go away. The best you can do is use long, complex passphrases at least 30 characters long with a mix of character types, then regularly update these passwords for your service accounts. Their is a technology that automates this process called Managed Service Accounts (MSAs). It also helps that Kerberos service tickets use AES encryption as opposed to RC4 encryption to make it harder to crack offline. It is extremely important that service accounts have the minimum permissions to perform their tasks a la principal of least privilege. Do not put your service accounts in the Domain Admins group.

40

What is CVSS?

Reference answer

CVSS is an acronym for a common vulnerability scoring system. It is an industry-standard that vendors use to determine the severity of a vulnerability. The scale goes from 0 to 10. It is classified as follows: None: 0.0 Low: 0.1-3.9 Medium: 4.0-6.9 High: 7-8.9 Critical: 9.0-10

41

Can you describe your process for identifying, prioritizing, and mitigating vulnerabilities?

Reference answer

This question allows the candidate to demonstrate their understanding of the vulnerability management lifecycle and their ability to implement effective processes for identifying, assessing, and mitigating vulnerabilities. It also provides insight into their experience and understanding of the importance of prioritizing vulnerabilities based on risk and potential impact.

42

Explain Cross Site Request Forgery (CSRF).

Reference answer

CSRF tricks a user into performing unwanted actions on a web application where they are authenticated, such as changing passwords or making transactions.

43

What are your thoughts on the importance of ethical hacking in vulnerability assessment?

Reference answer

Ethical hacking is an essential part of vulnerability assessment. It helps organizations identify vulnerabilities from an attacker's perspective, simulating real-world attacks to test the effectiveness of security controls. Ethical hackers use their skills to find and exploit vulnerabilities legally, providing valuable insights for improving security posture. It's a crucial step in building a robust and proactive security approach.

44

What is Nessus?

Reference answer

A commercial vulnerability scanner developed by Tenable used to identify vulnerabilities in systems and networks.

45

Which two stages of security testing are most commonly used to ensure the safety of online applications?

Reference answer

The two primary security testing levels for web application security are ability assessment and penetration testing.

46

What is the OWASP Top 10 and why is it important?

Reference answer

The OWASP Top 10 is a regularly updated list of the most critical web application security risks. It's important because it helps organizations focus their security efforts on the most common and dangerous vulnerabilities.

47

What is compliance?

Reference answer

Compliance involves adhering to laws, regulations, and standards (e.g., GDPR, PCI DSS) to protect data and avoid penalties.

48

What is the relationship between penetration testing and compliance, such as HIPAA, PCI-DSS, and SOX?

Reference answer

Penetration testing is a required component of many compliance regulations, helping organizations identify and remediate vulnerabilities to maintain compliance.

49

How do you measure the success of vulnerability management efforts and track progress over time?

Reference answer

Measuring the success of vulnerability management efforts and tracking progress over time can be done by implementing key performance indicators (KPIs), utilizing vulnerability scoring systems, and leveraging automation through code snippets. Here's an explanation followed by a code snippet to help you track the progress effectively. KPIs play a crucial role in measuring vulnerability management success. Some relevant KPIs include vulnerability closure rate, time taken to remediate vulnerabilities, and the number of vulnerabilities that reoccur over time. By setting measurable targets and regularly tracking these KPIs, you can assess the effectiveness of your efforts. To track progress over time, vulnerability scoring systems like the Common Vulnerability Scoring System (CVSS) can be employed. CVSS assigns severity scores to vulnerabilities, considering factors such as impact and exploitability. These scores help prioritize vulnerabilities and measure progress by analyzing the collective improvement in vulnerability scores over time. Automation also plays a vital role in vulnerability management. By utilizing code snippets, you can automate vulnerability scanning, patch management, and reporting processes. Here's an example code snippet using python and the popular vulnerability scanning tool, OpenVAS, to initiate a scan: ```python import subprocess # Define the target IP address/range and scan configuration ID target = "192.168.1.0/24" scan_config_id = "daba56c8-73ec-11df-a475-002264764cea" # Execute the OpenVAS scan using the command line command = ["omp", "-u", "admin", "-w", "admin", "--xml", "", "create_task", "Automated Vulnerability Scan", f"", f""] result = subprocess.run(command, capture_output=True, text=True) scan_id = result.stdout.strip() # Check the scan status and wait until it completes while True: command = ["omp", "-u", "admin", "-w", "admin", "--xml", "", "get_tasks", "" + scan_id + ""] result = subprocess.run(command, capture_output=True, text=True) status = result.stdout.strip() if "Done" in status: print("Scan completed successfully.") # Perform further actions like generating reports or initiating remediation break print("Scan still in progress. Waiting...") time.sleep(60) # Wait for 60 seconds before checking the status again ``` By incorporating such code snippets into your vulnerability management processes, you can automate scanning, monitoring, and reporting vulnerabilities, improving efficiency and providing real-time progress updates. Remember, these code snippets and approaches are just examples, and you may need to adapt them to suit your specific vulnerability management tools and requirements.

50

How do CSRF attacks typically occur?

Reference answer

CSRF attacks typically occur when a user is logged in to a website and the attacker tricks the user into clicking a malicious link or visiting a malicious website. Through social engineering tactics, attackers can deceive users into performing actions chosen by the attacker. For regular users, CSRF can result in unauthorized actions like fund transfers or email changes, while for administrative accounts, it can compromise the entire web application.

51

What are the PTES Technical Guidelines for Network Penetration Testing, and what are its standards?

Reference answer

The PTES Technical Guidelines for Network Penetration Testing are a set of standards and best practices for conducting network penetration tests.

52

What is the ISSAF (Information Systems Security Assessment Framework), and what are its standards?

Reference answer

The ISSAF is a framework for conducting information security assessments, providing standards and best practices for identifying vulnerabilities and risks.

53

What is Broken Authentication?

Reference answer

Broken authentication is a security vulnerability that occurs when a application does not properly implement authentication mechanisms, allowing attackers to compromise user accounts or gain unauthorized access to sensitive data or functionality.

54

What is CIS Control related to vulnerability management?

Reference answer

CIS Control 7: Continuous Vulnerability Management

55

What is Local File Inclusion (LFI)?

Reference answer

Local File Inclusion (LFI) is a type of vulnerability commonly found in web applications that allows an attacker to include files located on the server. Typically, web applications dynamically include files in their code to load content such as configuration files, scripts, or templates. However, if the application does not properly sanitize user input, an attacker can manipulate the input to include arbitrary files from the local file system. With LFI, attackers can exploit this vulnerability to access sensitive files stored on the server, such as configuration files, user credentials, or system files.

56

What are the five most common vulnerabilities that you see in your organization?

Reference answer

The reason I like this question is that it's a great way to gauge an interviewer's level of experience and knowledge in vulnerability management. It also gives me a good sense of the kinds of security threats that the organization is likely to face.

57

What are some common security vulnerabilities found in web applications?

Reference answer

Common security vulnerabilities in web applications include SQL injection, Cross-Site Scripting (XSS), and Cross-Site Request Forgery (CSRF). These vulnerabilities can lead to unauthorized data access, data manipulation, and compromised user sessions, making regular security testing and code reviews essential.

58

In these three cases, how exactly does the idea of security testing apply??

Reference answer

The three scenarios covered by the concept of security testing are configuration, integrity, and availability. Configuration testing ensures that systems are configured correctly, integrity testing verifies the authenticity and accuracy of data, and availability testing ensures systems are accessible and responsive.

59

What are common compliance frameworks?

Reference answer

Common compliance frameworks include - ISO 27001: ISO 27001, which provides a standard for information security management systems, and SOC 2, which focuses on data security and privacy for service providers. - HIPAA: HIPAA ensure the protection of healthcare information, - PCI DSS: PCI DSS is crucial for securing payment card transactions. - SOX: SOX (Sarbanes-Oxley Act), which is designed to protect investors by ensuring the accuracy and reliability of corporate financial reporting. - GDPR: GDPR (General Data Protection Regulation) is a pivotal framework for data privacy and protection, particularly in the European Union. These frameworks help organizations structure their security practices to meet industry standards and regulatory requirements.

60

What will you do if you find ports 21, 22, 80 and 443 open during a blackbox test on a particular IP ?

Reference answer

I would perform further enumeration on these services: check for version vulnerabilities on FTP (21) and SSH (22), and test web services on ports 80 and 443 for common web application flaws like SQL injection, XSS, and directory traversal.

61

What is Token-based Authentication?

Reference answer

A Token is a computer-generated code that acts as a digitally encoded signature of a user. They are used to authenticate the identity of a user to access any website or application network.

62

How would you describe vulnerability management? Why is it essential for a company?

Reference answer

Vulnerability management is the process of identifying, assessing, prioritizing, and mitigating vulnerabilities in an organization's systems and software. It is essential for a company because it reduces the attack surface, prevents potential breaches, and protects sensitive data from cybercriminals who exploit weaknesses.

63

What is the difference between Diffie Hellman and RSA?

Reference answer

Diffie-Hellman is used for key exchange, while RSA is used for encryption and digital signatures.

64

Explain the concept of a Public Key Infrastructure (PKI) and its role in enabling secure digital communication and authentication.

Reference answer

PKI is a framework that uses public-key cryptography to manage digital certificates and keys. It enables secure communication through encryption and digital signatures, ensuring confidentiality, integrity, and authentication in transactions like email, web browsing, and code signing.

65

What is privilege escalation, and how does it relate to vulnerability management?

Reference answer

Privilege escalation is the act of exploiting a vulnerability to gain higher-level access than intended. It is a critical concern in vulnerability management because unpatched vulnerabilities often serve as attack vectors for escalation, requiring prioritized remediation.

66

What are common types of vulnerabilities you look for?

Reference answer

Common types of vulnerabilities include misconfigurations, flawed authentication mechanisms, outdated software, unpatched systems, broken access controls, and vulnerabilities in web applications like SQL injection or cross-site scripting.

67

Can you provide an example of Broken Access Control?

Reference answer

Example : Suppose In a banking application, users can access their account details via URLs like http://example.com/account?id=123. . However, the application fails to enforce access controls, allowing any logged-in user to view other users' accounts by simply changing the ID parameter in the URL like http://example.com/account?id=456. In this scenario, the application lacks proper access control mechanisms to ensure that users can only access their own account information. This vulnerability could lead to unauthorized access to sensitive financial data and potentially compromise the privacy and security of the affected users.

68

What's the difference between a vulnerability assessment and a penetration test?

Reference answer

A vulnerability assessment and a penetration test are complementary but distinct processes used to enhance an organization's security posture. A vulnerability assessment is a systematic approach to identifying and prioritizing potential vulnerabilities in a system, network, or application. It focuses on cataloging weaknesses and providing a risk rating for each, highlighting areas that require remediation. However, it does not actively exploit these vulnerabilities. On the other hand, a penetration test, often referred to as ethical hacking, goes a step further by simulating real-world attacks to actively exploit vulnerabilities. The goal is to assess how far an attacker could compromise a system and to test the effectiveness of existing defenses. While vulnerability assessments are broader and often automated, penetration tests are more targeted, manual, and simulate real threats, offering deeper insights into an organization's security readiness. Both are essential for building a robust cybersecurity strategy.

69

Can you explain how SQL Injection works and how you exploit it?

Reference answer

SQL Injection is a security attack that allows attackers to interfere with database queries by injecting malicious SQL statements into input fields. This can enable retrieval, modification, or deletion of data. Exploitation involves identifying input fields interacting with the database, such as login forms or search fields. Tools like SQLmap can automate the process of extracting data, dumping sensitive information, or escalating privileges. Manually crafted SQL payloads can also bypass authentication or access the database directly.

70

How do you ensure the security of data at rest and in transit?

Reference answer

Data security requires encryption of sensitive data at rest and in transit. Use strong encryption algorithms for data at rest, and secure protocols like TLS for data in motion. Access to sensitive data should be tightly controlled and audited. Comply with relevant regulations like GDPR and HIPAA.

71

What tools are available for reporting in vulnerability management?

Reference answer

A vulnerability management strategy allows incident responders to develop the appropriate ways to mitigate the risks and vulnerabilities an organization faces. They need tools that can tell them the current security state of the organization and track all the remediation efforts. There are many reporting tools, and organizations tend to prefer the ones that have in-depth reporting and can be customized for several audiences. There are many stakeholders in an organization, and not all of them can understand technical jargon. Two tools with such capabilities are Foundstone's Enterprise Manager and the Latis Reporting tool. They have similar functionalities: They both provide reporting features that can be customized to the different needs of users and other stakeholders. Foundstone's Enterprise Manager comes with a customizable dashboard. This dashboard enables its users to retrieve long-term reports and reports that are custom-made for specific people, operating systems, services, and regions. Different regions will affect the language of the report, and this is particularly useful for global companies. The reports generated by these tools will show details of vulnerability and their frequency of occurrence.

72

How do you handle false positives in vulnerability reports?

Reference answer

Ah, the bugbear of false positives! Ask how they approach these tricky situations. Do they have a systematic method for filtering them out? Handling false positives efficiently ensures that your team isn't wasting valuable time and resources chasing ghosts.

73

How would you explain the importance of software security to non-technical stakeholders?

Reference answer

Explaining the importance of software security to non-technical stakeholders involves using relatable metaphors and avoiding jargon. One might compare software security to locking the doors and windows of a house to protect against intruders. It's crucial to convey that software security is about safeguarding sensitive information and ensuring trust in digital products. Highlighting recent case studies of security breaches and their impacts can also be effective. Seek candidates who can communicate complex ideas clearly and persuasively, demonstrating their ability to bridge the gap between technical and non-technical audiences. A good communicator will ensure all stakeholders understand the value and necessity of robust security measures.

74

What is OpenVAS?

Reference answer

An open-source vulnerability scanner used for network vulnerability assessment.

75

What kind of penetration testing can be done with Diffie Hellman exchange?

Reference answer

DH exchange (Diffie-Hellman Exchange) is a cryptographic protocol that is used to create secure communications. It uses the same key every time two communicating parties use it to encrypt data. The protocol is named after two mathematicians, named Diffie and Hellman. The protocol works by generating two public keys and two secret keys. The public keys are made available to anyone who wants to send secure messages to the corresponding secret keys.

76

Can you describe the differences between risk analysis and penetration testing?

Reference answer

Both risk analysis and penetration testing are important aspects of cybersecurity and can complement each other well. A risk analysis is the process of studying all potential threats and faults that could lead to vulnerabilities in software. It doesn't require any scanning tools or applications, instead, a risk analysis aims to identify assets, vulnerabilities, threats, and the overall impact on the company if the vulnerability were exploited. On the other hand, a penetration test is the act of lawfully attacking a system to identify any vulnerabilities. This tests whether existing systems and processes are actually working. Overall, a risk analysis is more practical, identifying potential risks and impacts. Whereas, a penetration test is more technical, going beneath the surface to uncover vulnerabilities.

77

What are the functions of the Java applet popup in penetration testing?

Reference answer

The process of creating a Java applet popup is simple. First, the tester must create a Java program that will be used as the popup. Next, the tester must create a file with the .html extension and place it in the same directory as the Java program. The file must have the same name as the Java program, but with the .html extension. The file should be divided into two parts. The first part contains the code that will be used to create the Java applet popup, and the second part contains the HTML code that will be used to display the Java applet popup.

78

Describe two tools you have used and a situation in which one looks better than the other when it comes to managing vulnerabilities.

Reference answer

I have used both Nessus and Qualys. In a situation where a client needed rapid scanning of a large, distributed network, Qualys was more effective due to its cloud-based architecture and ability to scan multiple locations without deploying agents. However, for a detailed, in-depth analysis of a specific on-premises system, Nessus provided better customization and control over scan configurations.

79

What is CORS ? How will you prevent it ?

Reference answer

CORS (Cross-Origin Resource Sharing) is a browser mechanism that allows controlled access to resources from different origins. Prevention involves configuring proper CORS headers (e.g., Access-Control-Allow-Origin) and restricting allowed origins.

80

What is the Smartphone Pentest Framework?

Reference answer

A smartphone penetration testing framework is a software tool used by security auditors and hackers to test the vulnerabilities of mobile devices, typically smartphones. A typical penetration testing process begins with scanning for known exploits on target systems in order to identify any exploitable deficiencies. Once vulnerabilities have been identified, the attack surface can be analyzed to determine which areas may be vulnerable to exploitation. In many cases, forensic analysis will also be carried out in an attempt to locate sensitive data or evidence that could be used for criminal purposes should unauthorized access occur.

81

Explain the difference between a vulnerability, threat, and risk.

Reference answer

These three terms are often used interchangeably, but they have distinct meanings in the context of cybersecurity: - Vulnerability: A weakness in a system, process, or design that could be exploited by a threat. Think of it as a crack in a wall. - Threat: Any potential event or action that could exploit a vulnerability and cause harm. This could be a malicious actor, a natural disaster, or even an accidental error. Imagine a person with a hammer who could use it to exploit the crack in the wall. - Risk: The likelihood that a threat will exploit a vulnerability and the resulting impact. It's the combination of the likelihood and consequence of an event. In our example, the risk would be the probability that the person with the hammer will actually use it to break the wall and the damage that would result.

82

Can you provide an example of Time-based Blind SQLi?

Reference answer

Example : Suppose a website's search feature is vulnerable to SQL injection. An attacker wants to determine if the database contains a specific table called 'users'. The attacker can use a payload that delays the response if the condition is true: ' OR IF((SELECT COUNT(*) FROM users)>0, SLEEP(5), 0)-- If the server's response is delayed, it indicates the condition is true, allowing the attacker to infer the existence of the 'users' table.

83

Can you describe a time you identified a critical vulnerability and how you handled it?

Reference answer

In a previous role, I discovered a critical SQL injection vulnerability in a client's web application. I immediately reported it to the development team and worked with them to apply a temporary fix, followed by implementing a permanent solution. I then re-tested the application to ensure the vulnerability was resolved.

84

How do you stay updated on the latest vulnerabilities and threats?

Reference answer

I stay informed by following security blogs, subscribing to threat intelligence feeds, and participating in industry forums. Attending webinars and conferences also helps me learn about emerging vulnerabilities and best practices.

85

Why later versions of TLS are better than previous versions ?

Reference answer

Later TLS versions (e.g., TLS 1.3) offer improved security by removing weak ciphers, reducing handshake latency, and providing better forward secrecy compared to older versions (e.g., TLS 1.0, 1.1) which are vulnerable to attacks like POODLE and BEAST.

86

What are HIDS and NIDS?

Reference answer

HIDS (Host-based Intrusion Detection System) monitors a single host for suspicious activity. NIDS (Network-based IDS) monitors network traffic for threats.

87

How do you assess the impact and risk of a discovered vulnerability?

Reference answer

Impact and risk assessment is the crux of vulnerability management. What parameters do they consider? Potential damage, exploitability, system criticality—their approach should be comprehensive, ensuring they leave no stone unturned.

88

What experience do you have with security automation tools and techniques?

Reference answer

Experience with security automation tools and techniques is critical for DevSecOps roles. Track down candidates who are familiar with: - SAST tools like SonarQube for static code analysis - DAST tools like OWASP ZAP for dynamic testing - SCA tools like Snyk for open source vulnerability scanning - Container security tools like Aqua and Twistlock - Infrastructure as Code scanners like Checkov

89

How do you approach incident response in a DevSecOps environment?

Reference answer

Here's a summary of the DevSecOps incident response plan: - Prepare by building an incident response team, defining roles, and establishing communication channels. - Identify the incident's nature, scope, and relevant details. - Contain the incident by isolating it and mitigating any damage. - Analyze the incident to determine whether it was actually caused or not. - Recover by restoring affected systems to normal operations. - Learn lessons by reviewing and identifying areas for improvement in the incident response process.

90

Describe how you would test for insecure direct object references (IDOR).

Reference answer

An amazing answer would involve verifying if users can access objects without proper authorization by using automated tools and manual testing. It should also highlight the importance of reviewing access control mechanisms and ensuring proper authorization checks.

91

What is the difference between Authentication and Authorization?

Reference answer

Authentication is the process of verifying the identity of a user through their credentials (such as username and password etc.). On the other hand, authorization involves determining what actions or resources a user is allowed to access or perform after their identity has been authenticated.

92

What is MAC spoofing?

Reference answer

The MAC address is virtually etched to the hardware by the device manufacturer, which means users cannot change or rewrite the MAC address. However, it's possible to mask the address on the software side. This masking is called MAC spoofing. Hackers use MAC spoofing to hide their identity and imitate others. In network terminology, spoofing is manipulating or infiltrating the address system in computer networks. Other targets that hackers can spoof or manipulate are internet protocol (IP), address resolution protocol (ARP), and the domain name system (DNS).

93

When was the first version of the OWASP Top 10 List released?

Reference answer

The first version of the OWASP Top 10 List was released in 2003.

94

How would you prevent a MITM attack?

Reference answer

To prevent a MITM attack, I'd log onto the company's VPN and use a strong WPA or WEP encryption. After that, I'd use an IDS to review potential risk factors. Then, I'd set up the PKI infrastructure for public key pair-based authentication.

95

What is web security?

Reference answer

Web security involves using strategies and technologies aimed at protecting internet-connected systems, including web applications and services, from various malicious threats, as it's essential for businesses to prioritize safeguarding data and upholding user trust.

96

Who is responsible for ensuring the confidentiality of data and protecting related activities in an organisation?

Reference answer

d) The Information Security Management (ISM) team

97

What is the importance of penetration testing in identifying indicators of compromise (IOCs)?

Reference answer

Penetration testing can help organizations identify IOCs, which are signs of potential security incidents, and develop strategies to respond to them.

98

What is cybercrime? Can you give some examples?

Reference answer

Cybercrime is a type of crime that happens on the internet. Examples include identity theft, hacking of sensitive information online, ransomware, stealing intellectual property, online predators, and business email compromise (BEC).

99

What is SIEM?

Reference answer

SIEM (Security Information and Event Management) collects and analyzes log data from multiple sources to detect and respond to security incidents.

100

Name some widely used penetration testing tools?

Reference answer

Some widely used penetration testing tools include: - Metasploit Framework – A powerful tool for developing and executing exploit code against a remote target machine. - Nmap (Network Mapper) – A utility for network discovery and security auditing, often used to map networks and identify open ports. - Burp Suite – A web vulnerability scanner and penetration testing toolkit that includes tools for assessing the security of web applications. - Wireshark – A network protocol analyzer that helps capture and inspect the data passing through a network in real time. - Nessus – A vulnerability assessment tool that scans systems for potential security issues such as missing patches and weak configurations. - John the Ripper – A password cracking tool used to identify weak passwords in a system. - Aircrack-ng – A suite of tools for assessing and testing network security, particularly focusing on wireless networks. - OWASP ZAP (Zed Attack Proxy) – A tool specifically designed for finding vulnerabilities in web applications. These tools are essential assets for ethical hackers and cybersecurity professionals to test and improve an organization's defenses.

101

What does security testing mean?

Reference answer

When you get a satisfying answer, which is telling enough, continue with asking technical details.

102

Explain what SSDP is.

Reference answer

SSDP stands for Simple Service Discovery Protocol, which is a network protocol that uses the internet protocol suite to discover network services and information and for advertisement purposes.

103

What is the current version of the OWASP Top 10?

Reference answer

We are currently using the 2021 version.

104

In what contexts can HPP attacks occur?

Reference answer

HPP attacks can occur in various contexts, including: - Query strings in URLs. - Form submissions in HTML. - Cookies sent with HTTP requests. - HTTP headers.

105

What is Rapid7 InsightVM?

Reference answer

Rapid7 InsightVM is a risk-focused vulnerability management platform. It emphasizes live dashboards and remediation tracking. It integrates well with incident response workflows.

106

Explain the concept of "exploit" in the context of vulnerability assessment.

Reference answer

An "exploit" is a piece of code or technique that attackers use to take advantage of a vulnerability in a system or application. It allows them to gain unauthorized access, steal data, or cause damage. In vulnerability assessment, understanding exploits is crucial for evaluating the severity of vulnerabilities and identifying potential attack scenarios.

107

What are the HTTP response codes?

Reference answer

Examples: 200 (OK), 201 (Created), 301 (Moved Permanently), 400 (Bad Request), 401 (Unauthorized), 403 (Forbidden), 404 (Not Found), 500 (Internal Server Error), 503 (Service Unavailable).

108

What is the importance of penetration testing in the Internet of Things (IoT)?

Reference answer

Penetration testing is crucial in the IoT, as it can help identify vulnerabilities in connected devices and develop strategies to secure them.

109

How does risk management play a role in vulnerability assessment?

Reference answer

Risk management helps in identifying, assessing, and mitigating risks associated with vulnerabilities. It ensures that vulnerabilities are prioritized based on their potential impact and likelihood, guiding effective remediation strategies.

110

To better defend against hackers, what exactly is the Open Web Application Security Project (OSP)?

Reference answer

The OSP is a pre-project that aims to protect against hackers. It offers a list of security tools, test cases, related books, sample codes, videos, presentations, and cheat sheets for identifying vulnerabilities and calculating risk ratings.

111

What are the key principles of information security?

Reference answer

Information security revolves around three core principles, often referred to as the CIA triad: - Confidentiality: Ensuring that sensitive information is accessible only to authorized individuals. This involves implementing access controls, encryption, and data masking techniques. - Integrity: Maintaining the accuracy and consistency of data, ensuring that it has not been tampered with or altered without authorization. This includes measures like data validation, version control, and digital signatures. - Availability: Guaranteeing that systems and data are accessible to authorized users when needed. This involves implementing redundancy, failover mechanisms, and disaster recovery plans.

112

What is XSS?

Reference answer

Cross-Site Scripting attack that injects malicious JavaScript into web pages.

113

How do you handle secrets management?

Reference answer

Secrets management should be centralized using HashiCorp Vault, integrated with cloud KMS systems. Secrets should rotate automatically every 30 days, with dynamic secrets using short TTLs for application access. All secret access should be logged and monitored.

114

You need to reset a password-protected BIOS configuration. Whatdo you do?

Reference answer

Options include removing the CMOS battery, using motherboard jumpers, or contacting the manufacturer for a master password.

115

What is Session Hijacking?

Reference answer

Session Hijacking: Session hijacking occurs when an attacker gains unauthorized access to an active session established by a legitimate user. This typically happens after the user has logged in. The attacker may employ various methods, such as packet sniffing, Cross-Site Scripting (XSS) attacks, or IP spoofing, to intercept or manipulate the session data. Once the attacker gains control of the session, they can impersonate the legitimate user and perform actions on their behalf, potentially compromising the user's account.

116

Describe an attack path to compromise Domain Admin.

Reference answer

Here are a few examples: Password Spray -> Kerberoasting - Enumerate valid Active Directory accounts with Kerbrute. - Gain initial access to a Domain User through password spraying. - Query the Domain Controller to see service accounts have Domain Admin privileges. - Request service tickets for high-privilege accounts by Kerberoasting - Crack the service ticket offline for a clear text password. - Login with Domain Admin Credentials using Runas or PsExec. NTLM Relay -> Credential Harvesting - Use Responder to poison NetNTLMv2 authentication requests and capture hashes of a Domain User. - Relay captured hash with ntlmrelayx to hosts that do not enforce SMB Signing. - If able to gain Local Administrator access to a host, execute Mimikatz to harvest credentials. - If able to gain NTLM hash for a Domain user can leverage this to enumerate a path to Domain Admin by executing Sharphound with Pass-the-Hash. - See a Domain Admin account is logged into another computer that we can Pass-the-Hash authenticate to and harvest more credentials to gain the NTLM hash for Domain Admin. - Pass-the-Hash to authenticate as Domain Admin. Phishing -> ADCS ESC1 - Gain access to clear text credentials of a Domain User though a phishing campaign. - Execute Certipy to enumerate vulnerable certificate templates and see that one certificate template is vulnerable to Active Directory Certificate Services (ADCS) Escalation Path 1 (ESC1). - Request a Kerberos service ticket for a Domain Admin leveraging the vulnerable certificate template using our Domain User. - Pass-the-Ticket to authenticate as Domain Admin.

117

What is SQL injection and how can it be prevented?

Reference answer

SQL injection is a technique attackers use to steal data or damage systems by inserting malicious code into SQL queries. To prevent this, you should run security scans and set up your SQL database securely. Security experts can also find vulnerabilities and suggest fixes.

118

What is social engineering, and why is it a threat?

Reference answer

Social engineering is the use of psychological manipulation to trick users into revealing sensitive information. It's a significant threat because it targets human vulnerabilities, making it challenging to defend against.

119

What are Software and Data Integrity Failures?

Reference answer

Software and data integrity failures are vulnerabilities in software or infrastructure that allow an attacker to modify or delete data in an unauthorized manner. This can occur due to weaknesses in the software itself or inadequate security measures implemented during development. Attackers can exploit these vulnerabilities to gain access to sensitive information or manipulate data and cause damage to the system.

120

What role does threat intelligence play in vulnerability management?

Reference answer

Threat intelligence highlights actively exploited vulnerabilities. This helps reprioritize remediation efforts. It improves response to real-world threats.

121

Does Penetration Testing Break a System?

Reference answer

In a penetration testing scenario, an exploit may be used to gain access to a system or to elevate privileges on the system. This may then be used to explore the target system in order to identify other vulnerabilities. Once vulnerabilities have been identified, penetration testers often use them to exploit systems to further assess the level of risk involved.

122

What are MAC, DAC and RBAC?

Reference answer

MAC (Mandatory Access Control) uses system-enforced policies. DAC (Discretionary Access Control) allows owners to set permissions. RBAC (Role-Based Access Control) assigns permissions based on roles.

123

What is the difference between IaaS, PaaS, and SaaS?

Reference answer

IaaS (Infrastructure as a Service) provides virtualized computing resources. PaaS (Platform as a Service) provides a platform for developing and deploying applications. SaaS (Software as a Service) provides software applications over the Internet.

124

Why is Penetration Testing important?

Reference answer

Penetration testing is important because it helps organizations identify and address vulnerabilities before they can be exploited by malicious actors. It provides valuable insights into the security posture of systems, enabling proactive measures to strengthen defenses. Additionally, it ensures compliance with industry regulations and builds trust with stakeholders by demonstrating a commitment to cybersecurity.

125

What are Vulnerable and Outdated Components?

Reference answer

Vulnerable and Outdated Components : These refer to third-party libraries or frameworks used in web applications that have known vulnerabilities or are no longer supported by their developers. When these components are integrated into an application, they can create security risks. Attackers may exploit these vulnerabilities to gain unauthorized access to sensitive data or take control of the system.

126

What is exploit database?

Reference answer

Collection of publicly available exploit codes.

127

What is Boolean-based Blind SQLi?

Reference answer

- Boolean-based Blind SQLi : Makes the database return different results based on whether the injected condition is true or false.

128

What is the Secunia Personal Software Inspector (PSI) and how does it work?

Reference answer

The Secunia Personal Software Inspector (PSI) is a free security tool that identifies vulnerabilities in non-Microsoft (third-party) systems. PSI scans installed software on your PC and identifies programs in need of security updates to safeguard your PC against cybercriminals. It then helps you to get the necessary software security updates to keep it safe. To make it easier, PSI even automates the updates for your unsecured programs. This is a free vulnerability assessment tool that complements antivirus software. It constantly monitors your system for unsecured software installations, notifies you when an unsecured application is installed, and even provides detailed instructions for updating the application when updates are available.

129

How does Rapid7 InsightVM calculate risk?

Reference answer

InsightVM uses a real risk score that considers exploit availability and asset importance. This provides dynamic prioritization. Scores adjust as conditions change.

130

What is exploit?

Reference answer

Code or technique used by attackers to take advantage of a vulnerability.

131

What does CVE stand for and what is its purpose?

Reference answer

CVE stands for Common Vulnerabilities and Exposures. It is a list that gives each known cybersecurity vulnerability a unique number, along with descriptions and references, making it easier to identify and share information about security issues.

132

Name some of the Threat Intelligence Platforms

Reference answer

Examples include MISP, ThreatConnect, Anomali, and Recorded Future.

133

What is a Security Misconfiguration vulnerability?

Reference answer

A security misconfiguration vulnerability in OWASP is an exposure of the organization's sensitive information through a weakness in system configuration or user behavior. In general, any flaw that allows unauthorized access to data can be labeled as a security misconfiguration vulnerability. Examples include vulnerabilities found in web applications, networks, and even computer systems themselves. A common misconception among many organizations is that they are not at risk for breaches because their network protocols and application configurations are up-to-date. Any exposed service on your network could be exploited by malicious entities seeking to exploit known vulnerabilities for gainful purposes stealing proprietary data, breaching trust relationships with customers or employees, conducting denial-of-service attacks, etc.

134

Why is the OWASP Top 10 crucial for web app security?

Reference answer

The OWASP Top 10 is crucial for web app security because it identifies common vulnerabilities, guides proactive measures, and helps prioritize efforts to protect applications from cyber threats.

135

What is Cryptography?

Reference answer

Cryptography is a method of secure communication to protect data from third parties that the data isn't intended for. You can say something like: 'In my previous position, I used cryptography to encrypt the company's data and ensure that the information is transferred securely via the company's private network.'

136

What Tools Are Commonly Used for Security Testing?

Reference answer

Here are some widely used tools in security testing: - Nessus – A robust vulnerability scanner used to detect misconfigurations, outdated software, and more. - Metasploit – A popular framework for penetration testing and exploit development. - Burp Suite – An integrated platform for testing web application security. - OWASP ZAP – A free, open-source alternative to Burp Suite for scanning web apps. Familiarity with these tools is often tested in technical interviews for QA and security roles.

137

How does Qualys asset tagging help vulnerability management?

Reference answer

Asset tagging allows grouping systems by function or risk level. This improves reporting and prioritization. It also supports targeted remediation workflows.

138

What is remediation?

Reference answer

Fixing a vulnerability by: Patching Configuration changes Software updates Mitigation controls

139

Who typically performs penetration testing and why?

Reference answer

Penetration testing is usually done by penetration testers, but sometimes, vulnerability researchers also need to use these skills and tools. Penetration testing tools help vulnerability researchers better understand the security weaknesses in their systems. This is often done when the system is changed to check for any new vulnerabilities.

140

What is John the Ripper, and how does it work?

Reference answer

John the Ripper is a password-cracking tool that helps penetration testers crack passwords using dictionary, brute-force, and rainbow table attacks.

141

Explain the concept of session management and its security implications.

Reference answer

Session management is the process of securely handling user sessions in web applications, ensuring that user authentication and authorization are maintained throughout a session. It involves using secure cookies, session timeouts, and regenerating session IDs to prevent attacks like session hijacking.

142

What is a buffer overflow, and how does it work?

Reference answer

A buffer overflow is a type of vulnerability that occurs when more data is written to a buffer than it can hold, potentially allowing an attacker to execute arbitrary code.

143

What is threat modeling?

Reference answer

Threat modeling is like a detective story for software. Imagine your software as a valuable treasure, and threat modeling is the process of identifying potential thieves and weak spots in your security system. The goal is to think like a hacker to better protect your assets. Look for candidates who can convey complex ideas in simple terms. An ideal response will demonstrate their ability to communicate technical concepts to non-technical stakeholders, showcasing their adaptability and clarity in communication.

144

What is cloud security architecture, and why is it important?

Reference answer

Cloud security architecture is the design and implementation of security controls for cloud resources. It's essential to ensure the security of cloud-based systems and data.

145

What is NetBIOS ?

Reference answer

NetBIOS (Network Basic Input/Output System) is an older protocol used for name resolution and session services in Windows networks, often associated with vulnerabilities like NetBIOS name service poisoning.

146

Can you tell me the steps of the software development life cycle (SDLC) for security testing?

Reference answer

The SDLC in security testing involves the entire software development life cycle, including requirement analysis, design, development testing, command testing, deployment, and post-deployment stages such as post-design, SDR, secure design review, post-development, state testing, QA quality, functional testing, and DAST.

147

What is Wireshark, and how does it work?

Reference answer

Wireshark is a network protocol analyzer that helps penetration testers capture and analyze network traffic.

148

What is CVSS?

Reference answer

Common Vulnerability Scoring System (CVSS) is used to calculate the severity of vulnerabilities on a scale from 0 to 10. Severity levels: Low (0–3.9) Medium (4–6.9) High (7–8.9) Critical (9–10)

149

What skills should a Penetration Tester have?

Reference answer

A successful penetration tester must possess a diverse set of technical and soft skills. On the technical side, they should have a solid understanding of networking protocols, operating systems, and common application frameworks. Proficiency in programming languages such as Python, Java, or C++ is essential, along with expertise in using tools like Metasploit, Burp Suite, and Wireshark. Knowledge of vulnerability assessment methodologies and experience with ethical hacking techniques are also critical. On the soft skills front, penetration testers need strong analytical thinking, problem-solving abilities, and effective communication skills to convey findings and recommendations clearly. Continuous learning and adaptability are key traits, as the field of cybersecurity evolves rapidly, requiring professionals to stay up-to-date with emerging threats and technologies.

150

What is asset discovery?

Reference answer

Process of identifying all devices, servers, applications, and network components in an organization.

151

What are the key components of a penetration testing report?

Reference answer

The key components of such a report include: - Executive Summary – A high-level overview of the test results, including the scope, objectives, and key findings, tailored for non-technical stakeholders. - Scope and Methodology – A detailed description of the testing scope, tools used, and approaches employed to perform the penetration testing. - Vulnerabilities Identified – A comprehensive list of discovered vulnerabilities, ranked by severity, with descriptions of their potential impact on the system. - Evidence and Proof of Exploitation – Screenshots, logs, or other evidence demonstrating the exploitation of vulnerabilities to support the findings. - Recommendations and Remediation – Suggested solutions and best practices for addressing identified vulnerabilities, helping to strengthen security posture. - Technical Details – An in-depth analysis of the findings, including affected systems, exploit details, and any relevant technical information. - Conclusions and Next Steps – A summary of the pen test results and actionable steps to mitigate risks and improve security. Each of these components ensures that the report serves as a valuable resource for enhancing the organization's security framework.

152

How can you offer the organization a description of its information system vulnerabilities?

Reference answer

By developing a vulnerability assessment, Vulnerability Analysts give the organization a blueprint of its vulnerabilities. This vulnerability assessment includes the results of different scans, audits, and other procedures used to look for vulnerabilities. A Vulnerability Analyst creates it. After that, the assessment can serve as a security roadmap plan.

153

What are the differences between agent and scanner based scan ?

Reference answer

Agent-based scans run continuously on endpoints, providing real-time visibility with minimal network impact. Scanner-based scans are periodic and require network connectivity to scan target assets, which can generate more network traffic but offer deeper analysis of network services.

154

What do you think presents the most significant security threat to businesses?

Reference answer

There can be different ways to answer this question. Cybersecurity is complicated because threats are complicated. Companies can be at the most significant risk when employees use their devices to work and do not find any patch installed when the passwords are weak.

155

What if patch is not available? Answer:

Reference answer

Use mitigation: Firewall rules Access control Network segmentation

156

How is vulnerability management different from penetration testing?

Reference answer

Vulnerability management is continuous and preventive, while penetration testing is periodic and simulation-based. Vulnerability management focuses on discovering and fixing weaknesses regularly. Penetration testing validates exploitability in a controlled scenario.

157

What are the core principles of DevSecOps?

Reference answer

The core principles of DevSecOps are: - Automation of security controls - Continuous security testing - Security as code - Shared responsibility for security - Agile security processes

158

How would you handle a situation where a developer disagrees with your security recommendation?

Reference answer

In such a situation, open communication and collaboration are key. The candidate should discuss their approach to understanding the developer's perspective and clarifying the rationale behind their security recommendation. They might talk about presenting evidence or data to support their position and being willing to find a compromise that addresses both security and development needs. Evaluators should look for candidates who demonstrate empathy, negotiation skills, and the ability to maintain positive relationships while advocating for security best practices. A strong response will highlight the candidate's commitment to fostering a security-first culture within the development team.

159

What tools are commonly used for vulnerability scanning?

Reference answer

Several tools are commonly used for vulnerability scanning, including: - Nessus: A widely used vulnerability assessment tool that can scan for vulnerabilities, misconfigurations, and compliance issues. - QualysGuard: A cloud-based platform offering vulnerability scanning, asset management, and other security services. - OpenVAS: An open-source vulnerability scanner that provides a comprehensive vulnerability assessment. - Nmap: A network scanner that can also be used to identify vulnerabilities. - Rapid7 Nexpose: A vulnerability management tool that integrates with Metasploit for deeper penetration testing.

160

What is a cross-site request forgery (CSRF) attack, and how can it be prevented?

Reference answer

A CSRF attack is a type of attack where an attacker tricks a user into performing unintended actions on a web application. It can be prevented by using token-based authentication, validating user input, and implementing same-origin policies.

161

What are the best practices for conducting a vulnerability assessment?

Reference answer

Best practices for vulnerability assessments include: - Define a Clear Scope: Clearly identify the assets to be assessed, the types of vulnerabilities to be evaluated, and the assessment methodology. - Gather Comprehensive Information: Collect relevant information about the target system or network, including network diagrams, software inventory, and security policies. - Use Multiple Scanning Tools: Employ a variety of vulnerability scanning tools to ensure comprehensive coverage and identify different types of vulnerabilities. - Prioritize Vulnerabilities: Evaluate the severity of vulnerabilities and prioritize them based on their potential impact and exploitability. - Provide Detailed Reporting: Document the findings of the assessment, including a description of vulnerabilities, recommendations for remediation, and a prioritized list of actions. - Conduct Regular Assessments: Schedule regular vulnerability assessments to identify new vulnerabilities and track the effectiveness of remediation efforts. - Involve Security Experts: Consult with security professionals to ensure that the assessment process is thorough and the results are accurately interpreted. - Stay Updated: Keep up with the latest vulnerability information, threat intelligence, and security best practices to ensure effective vulnerability assessment.

162

Explain the differences between risk, vulnerability, and a threat.

Reference answer

Vulnerability is a weakness or gap in a company's security efforts, while a threat is a hacker who has noticed this weakness and exploits it. A risk, on the other hand, is a measure of how much the vulnerability has been exploited.

163

Can you tell me how penetration testing differs from vulnerability assessments?

Reference answer

Vulnerability assessment is used to identify loopholes in specific missions or systems, while penetration testing allows access to other levels through exploitable loopholes.

164

What is DOM-based XSS?

Reference answer

- DOM-based XSS : This type occurs when a malicious script is injected into the Document Object Model (DOM) of a web page. Unlike other XSS types, it doesn't necessarily involve server-side processing instead, the attack happens entirely on the client-side within the victim's browser.

165

Could you share some general network security product names?

Reference answer

Examples include Cisco Firepower, Palo Alto Networks, Fortinet FortiGate, and Check Point.

166

What vulnerability scanners have you used? Explain their strengths and weaknesses.

Reference answer

This question assesses your practical experience with vulnerability scanning tools. Be prepared to discuss specific tools you've used and provide a balanced assessment of their capabilities. Here are some popular vulnerability scanners and their potential strengths and weaknesses: Nessus (Tenable): - Strengths: Comprehensive vulnerability coverage, extensive reporting capabilities, active community support. - Weaknesses: Can be expensive, may generate false positives, requires tuning for optimal performance. QualysGuard: - Strengths: Cloud-based platform, easy to deploy and manage, provides continuous monitoring. - Weaknesses: Subscription-based pricing, may have limitations in scanning certain environments. - OpenVAS: - Strengths: Open-source and free to use, active community support, flexible and customizable. - Weaknesses: May require more technical expertise to set up and maintain, vulnerability coverage may not be as extensive as commercial tools. Nikto: - Strengths: Specifically designed for web application scanning, open-source and free, lightweight and fast. - Weaknesses: Focuses primarily on web server vulnerabilities, may not identify all application-level flaws.

167

What is risk-based vulnerability management?

Reference answer

Risk-based vulnerability management considers threat likelihood, exploitability, and business impact. It helps focus remediation efforts where they matter most. This approach improves efficiency.

168

What is Rapid7 InsightVM?

Reference answer

A vulnerability management platform that provides risk prioritization and real-time vulnerability tracking.

169

What is Metasploit Framework?

Reference answer

Metasploit is a penetration testing framework that provides tools for: - Vulnerability exploitation - Payload generation - Post-exploitation activities - Reporting

170

How can penetration testing help with risk management and compliance?

Reference answer

Penetration testing can help organizations identify and prioritize risks, remediate vulnerabilities, and maintain compliance with relevant regulations.

171

Describe the phases of Incident Response and their significance in efficiently handling cybersecurity incidents.

Reference answer

Incident response phases include: Preparation (establishing policies and tools), Detection and Analysis (identifying and confirming incidents), Containment, Eradication, and Recovery (stopping the incident, removing threats, and restoring systems), and Post-Incident Activity (lessons learned and documentation). Each phase is critical for minimizing damage, reducing recovery time, and improving future response strategies.

172

Tell some KPIs related to VM ?

Reference answer

KPIs for Vulnerability Management (VM) include: mean time to remediation (MTTR), vulnerability discovery rate, patch compliance percentage, number of critical vulnerabilities, and coverage of scans across assets.

173

What are the commonly targeted ports during penetration testing?

Reference answer

During penetration testing, certain ports are frequently targeted due to their association with widely used services and their potential vulnerabilities. Some of the most commonly targeted ports include: - Port 21 (FTP – File Transfer Protocol): Often targeted because of insecure login credentials and the possibility of anonymous access, making it susceptible to attacks like brute force or directory traversal. - Port 22 (SSH – Secure Shell): While designed for secure remote access, misconfigured SSH implementations or weak credentials can make this port a target for attackers. - Port 23 (Telnet): An outdated protocol frequently targeted due to its lack of encryption, making any transmitted data, including passwords, vulnerable to interception. - Port 25 (SMTP – Simple Mail Transfer Protocol): Commonly scanned for open relays or vulnerabilities that may allow spam or phishing attacks. - Port 80 and 443 (HTTP/HTTPS – Web Traffic): Critical for web services but frequently targeted as they may expose web application vulnerabilities like cross-site scripting (XSS) or SQL injection. - Port 445 (SMB – Server Message Block): Known for exploits like EternalBlue, this port can be used to gain unauthorized access to shared files and printers on a network. - Port 3389 (RDP – Remote Desktop Protocol): Attracts attackers aiming to gain remote access to systems, often exploited through brute force attacks or weak security configurations. Regularly monitoring and securing these ports is essential to mitigate risks and protect internal networks from potential cyberattacks.

174

Define and differentiate between vulnerability, risk, and threat, and how they contribute to the overall cybersecurity posture of an organization.

Reference answer

A vulnerability is a weakness in a system that can be exploited. A threat is a potential event that could exploit a vulnerability. Risk is the likelihood and impact of a threat exploiting a vulnerability. Understanding these concepts helps organizations prioritize security measures, assess their exposure, and allocate resources effectively to strengthen their cybersecurity posture.

175

In 2023, what do you anticipate will be the greatest security risk for businesses?

Reference answer

This is a complex question, and you'll want to keep in mind that it may vary from industry to industry. Therefore, to prevent any cyber attack, every industry needs to have the most recent security updates installed. However, this can result in an attack if the necessary security patches are not installed and weak passwords are used.

176

How can an organization handle threats and control access to information?

Reference answer

An organization can use a computer security incident response team (CSIRT) to handle any threats to the organization's information storage and transmission. Said team will not just respond to hacking incidents but will inform management when there are intrusion attempts to access sensitive information and the best course of action to take. Apart from this team, an organization could adopt the policy of least privilege when it comes to accessing information. This policy ensures that users are denied access to all information apart from that which is necessary for them to perform their duties. Reducing the number of people accessing sensitive information is a good measure towards reducing the avenues of attack.

177

What is Insecure Design?

Reference answer

Insecure Design is a new category in the latest OWASP Top Ten list, capturing a wide range of vulnerabilities that arise from poor design choices in web applications.

178

How can you stay updated on the latest vulnerability information and security best practices?

Reference answer

Staying informed about the latest threats and vulnerabilities is crucial for effective vulnerability assessment. You can stay updated by: - Subscribing to security newsletters and blogs: Follow reputable security blogs and industry publications for updates on emerging vulnerabilities, security trends, and best practices. - Joining cybersecurity forums and communities: Participate in online forums and communities to engage with security professionals, share knowledge, and learn from experts. - Attending security conferences and workshops: Attend industry events to learn about the latest threats, vulnerabilities, and security solutions from leading experts. - Completing security certifications: Obtaining security certifications can enhance your knowledge and credibility, demonstrating your commitment to professional development. - Reading security books and articles: Expand your knowledge base by reading books and articles on vulnerability assessment, penetration testing, and other relevant security topics.

179

How can penetration testing support incident response and remediation?

Reference answer

Penetration testing can help organizations develop incident response plans and remediation strategies to respond to security incidents and minimize their impact.

180

What should be included in a penetration testing report executive summary?

Reference answer

An executive summary should provide a brief overview of the penetration test, including the scope, methodology, and key findings.

181

What is buffer overflow vulnerability?

Reference answer

Buffer overflow is a software glitch or vulnerability that hackers might use to gain unauthorized access to business systems. It is one of the most well-known software security flaws, although it is still pretty frequent. A buffer overflow attack occurs when an attacker uses a coding fault to perform malicious actions and damage the targeted system. The attacker modifies the application's processing path and overwrites memory components, which modifies the program's execution flow to damage existing files or disclose data.

182

How would you approach testing a client's wireless network security?

Reference answer

When testing a client's wireless network security, the first step is to understand the scope and purpose of the assessment, ensuring all testing is authorized and aligns with the client's goals. Begin by gathering information about the wireless network configurations, such as SSID names, encryption standards (e.g., WPA2, WPA3), and authentication methods. Perform a reconnaissance phase to detect active wireless networks and devices, using tools like Wireshark or Kismet. Evaluate the strength of encryption protocols and identify any outdated or vulnerable implementations. Conduct penetration testing to assess the network's ability to resist attacks, such as rogue access points, Man-in-the-Middle (MitM) attacks, or attempts to crack passwords. Finally, provide detailed findings and recommendations to strengthen the wireless network's security posture.

183

Explain how data is protected during and after penetration testing?

Reference answer

During penetration testing, data is protected by encrypting all communication and securely storing sensitive information on controlled systems. Testers ensure the use of non-production environments to prevent real data exposure. After testing, all gathered data is securely disposed of or archived following strict data retention policies, and access is restricted to authorized personnel only. Regular audits and confidentiality agreements further safeguard the information.

184

What are Socks4a and Proxy Chains?

Reference answer

A socks4a and proxy chains are two types of network analysis tools that are used for penetration testing. socks4a works as a proxy and can intercept packets leaving and entering your targeted systems. It can be used to map the flows of traffic and can be used to examine protocols and handshake data. On the other hand, proxy chains can be used to combine socks4a with various command-line tools to perform various actions on the proxy such as injecting packets, capturing packets, and mangling packets.

185

How do cloud environments affect vulnerability management?

Reference answer

Cloud introduces dynamic assets and shared responsibility. Scanning must adapt to short-lived resources. Visibility and tagging are critical.

186

Name popular vulnerability scanning tools.

Reference answer

Nessus Qualys OpenVAS Rapid7 InsightVM Acunetix Burp Suite

187

Types of URLs which Qualys uses ? Explain them.

Reference answer

Qualys uses URLs for the platform (e.g., qualys.com), API endpoints for integrations, and specific URLs for agent registration, scan reporting, and cloud services.

188

Can you provide an XXE payload example?

Reference answer

Payload : ]> &xxe;

189

What is the Pareto Principle, and how is it applicable to vulnerability management?

Reference answer

According to the Pareto Principle, only 20% of vulnerabilities result in 80% of security threats. An individual who fully comprehends this idea will be aware of exactly what to look for in case of any security lapses. A candidate's response to this question reveals precisely how he or she will allocate time and what methods he or she will use to identify the most serious vulnerabilities first.

190

Which field of which event should I look at so that I can detect RDP logons?

Reference answer

Look at Event ID 4624 and filter by Logon Type 10 (RemoteInteractive) in the Security log.

191

What is SAST?

Reference answer

Static Application Security Testing.

192

What are the steps involved in a typical penetration testing methodology?

Reference answer

- Planning and Reconnaissance: This initial step involves defining the scope and objectives of the penetration test, as well as gathering information about the target systems. Reconnaissance includes identifying IP addresses, domain names, network services, and other potential entry points. - Scanning: During this phase, testers perform network and vulnerability scans to map the target environment and identify potential security weaknesses. Tools like network mappers and vulnerability scanners are commonly used to collect data for further analysis. - Gaining Access: Testers attempt to exploit identified vulnerabilities to gain unauthorized access to the system or network. This stage often involves techniques such as SQL injection, session hijacking, or password cracking to compromise targets. - Maintaining Access: After gaining access, the focus shifts to maintaining a foothold within the compromised system. This step often involves deploying malicious tools or establishing backdoors to ensure persistent access for future use. - Analysis and Reporting: The final step is to document the findings, including details of vulnerabilities exploited, data accessed, and overall security risks. This report is shared with the organization, along with recommendations for remediation and improving security defenses.

193

What is Nessus, and how does it work?

Reference answer

Nessus is a vulnerability scanner that helps penetration testers identify potential vulnerabilities in systems.

194

Explain Vishing.

Reference answer

Vishing (voice phishing) uses phone calls to trick victims into revealing personal information, often impersonating legitimate organizations like banks.

195

Describe a proxy.

Reference answer

A proxy server acts as an intermediary between clients and the internet, hiding client IPs and filtering traffic.

196

What is XML?

Reference answer

XML stands for "extensible markup language". XML is a language designed for storing and transporting data. Like HTML, XML uses a tree-like structure of tags and data. Unlike HTML, XML does not use predefined tags, and so tags can be given names that describe the data.

197

Can you explain the concept of defense in depth in the context of cybersecurity?

Reference answer

Defense in depth is a cybersecurity strategy that uses multiple layers of security controls (e.g., firewalls, antivirus, intrusion detection, encryption) to protect assets. If one layer fails, another layer provides protection, reducing the likelihood of a successful attack.

198

Once you identify vulnerabilities, what's the first step you take?

Reference answer

The first step is to verify and validate the identified vulnerabilities to eliminate false positives. Then I prioritize them based on risk factors like severity, exploitability, and the criticality of the affected assets, and document the findings for remediation planning.

199

What is a vulnerability scanner, and how does it work?

Reference answer

A vulnerability scanner is a tool that identifies potential vulnerabilities in a system or network, often using a database of known vulnerabilities.

200

How would you define vulnerability?

Reference answer

When a system is not sufficiently tested for security, there is a problem called a vulnerability that allows attackers to attack the entire system.

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