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CRISC Practice Question: During a control monitoring review, it is…
During a control monitoring review, it is discovered that a detective control has a high false positive rate. What is the MOST significant impact of this issue?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Increased risk of missing actual security incidents.
A high false positive rate in a detective control leads to alert fatigue, where security personnel may ignore or dismiss alerts, increasing the risk that actual security incidents are missed. Option A is a consequence but not the most significant. Option C may occur but is secondary. Option D is an operational impact but does not directly increase risk.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Loss of confidence in the control by management.
Why it's wrong here
Important, but the operational impact is greater.
- ✓
Increased risk of missing actual security incidents.
Why this is correct
Alert fatigue causes real incidents to be overlooked.
- ✗
Reduced system performance due to alert processing.
Why it's wrong here
Unlikely to be significant.
- ✗
Increased cost of investigating alerts.
Why it's wrong here
Cost is a concern, but not the most significant impact.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CRISC practice question is part of Courseiva's free ISACA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CRISC exam.