A company recently deployed a SIEM and began importing logs from a firewall, a file server, a domain controller a web server, and a laptop. A security analyst receives a series of SIEM alerts and prepares to respond. The following is the alert information: Which of the following should the security analyst do FIRST? Based on the SIEM alerts, the security analyst should first disable the jdoe account, as it is likely compromised by an attacker. The alerts show that the jdoe account successfully logged on to
A. isable Administrator on abc-uaa-fsl, the local account is compromised
B. hut down the abc-usa-fsl server, a plaintext credential is being used
C. isable the jdoe account, it is likely compromised
D. hut down abc-usa-fw01; the remote access VPN vulnerability is exploited