nerdexam
Isaca

CISM · Question #800

Which of the following is MOST likely to reduce the effectiveness of a SIEM system?

The correct answer is B. Misconfiguration of alert thresholds. The effectiveness of a SIEM (Security Information and Event Management) system heavily relies on properly configured alert thresholds. Misconfiguration of alert thresholds can result in missed detection of significant incidents (false negatives) or an overwhelming number of…

Submitted by mike_84· Apr 18, 2026Information Security Incident Management

Question

Which of the following is MOST likely to reduce the effectiveness of a SIEM system?

Options

  • AComplex user interface
  • BMisconfiguration of alert thresholds
  • CWeakly encrypted log files
  • DLack of multi-factor authentication (MFA) for system access

How the community answered

(33 responses)
  • A
    12% (4)
  • B
    79% (26)
  • C
    6% (2)
  • D
    3% (1)

Explanation

The effectiveness of a SIEM (Security Information and Event Management) system heavily relies on properly configured alert thresholds. Misconfiguration of alert thresholds can result in missed detection of significant incidents (false negatives) or an overwhelming number of false positives, making it difficult to identify real threats.

Topics

#SIEM#Alert Management#Security Operations#Incident Detection

Community Discussion

No community discussion yet for this question.

Full CISM Practice