Cisco certification system related to network security certifications include the following: CCNA Cyber Ops (Cisco Certified Network Security Operator) CCNA Cyber Ops is a certification designed specifically for network security operators, covering knowledge and skills in a variety of areas such as security threat analysis, vulnerability management, incident response, etc. CCNP Security (Cisco Certified Network Security (Cisco Certified Network Security Professional) CCNP Security is a high-level network security certification that encompasses knowledge of advanced security technologies and tools, such as firewalls, VPNs, intrusion detection and prevention, authentication, etc. CCIE Security (Cisco Certified Network Security Expert) CCIE Security is the highest level certification in the field of network security and requires candidates to master complex security solutions and implementation techniques, and how to protect network resources and data in a variety of network environments. In addition, Cisco has a number of other certifications related to network security, such as CCNA Security (Cisco Certified Network Security), which focuses on the basic knowledge and skills of network security; CCDA (Cisco Certified Design Associate) and CCDP (Cisco Certified Design Professional), which are not specifically targeted at network security, but also contains some network security knowledge and skills.