After reading a security bulletin, a network security manager is concerned that a malicious actor may have breached the network using the same software flaw.
The exploit code is publicly available and has been reported as being used against other industries in the same vertical.
Which of the following should the network security manager consult FIRST to determine a priority list for forensic review?
A.
The vulnerability scan output B.
The IDS logs C.
The full packet capture data D.
The SIEM alerts.
A.
After reading a security bulletin, a network security manager is concerned that a malicious actor may have breached the network using the same software flaw.
The exploit code is publicly available and has been reported as being used against other industries in the same vertical.
Which of the following should the network security manager consult FIRST to determine a priority list for forensic review?
A.
The vulnerability scan output
B.
The IDS logs
C.
The full packet capture data
D.
The SIEM alerts.
A.
The correct answer is A. The network security manager should consult the vulnerability scan output first to determine a priority list for forensic review.
Explanation:
When a security bulletin is issued, it typically indicates a software vulnerability that may allow a malicious actor to exploit the affected system or network. In this scenario, the network security manager is concerned that a malicious actor may have breached the network using the same software flaw as described in the security bulletin. This indicates that the vulnerability is already known to the public, and there may be a higher likelihood of exploitation.
To determine a priority list for forensic review, the network security manager should consult the vulnerability scan output first. A vulnerability scan is a process that identifies and detects security vulnerabilities in the network or system. It can help identify the affected systems and determine the severity of the vulnerability. By reviewing the vulnerability scan output, the network security manager can identify the systems that are affected by the vulnerability and prioritize the forensic review accordingly.
The IDS logs, full packet capture data, and SIEM alerts are also important sources of information for forensic analysis. However, in this scenario, the vulnerability has already been publicly disclosed, and there may be a higher likelihood of exploitation. Therefore, it is important to first identify the systems that are vulnerable to the exploit and prioritize the forensic review accordingly. Once the affected systems have been identified, the network security manager can consult other sources of information such as IDS logs, full packet capture data, and SIEM alerts to investigate any suspicious activity related to the vulnerability.