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Measures availability risk
Measures access control risk
Measures vulnerability management risk
Measures security awareness risk
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CRISC Practice Question: Match each key risk indicator (KRI) to its…
Match each key risk indicator (KRI) to its description.
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
✓
Mean Time to Detect (MTTD): The average time taken to detect an incident after it occurs.
In CRISC, KRIs like MTTD, MTTR, vulnerability percentage, and incident count provide early warning. Common mistakes include confusing MTTD and MTTR, or mixing incident count with vulnerability metrics.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Mean Time to Detect (MTTD): The average time taken to detect an incident after it occurs.
Why this is correct
MTTD measures detection speed.
- ✓
Mean Time to Respond (MTTR): The average time taken to respond to and resolve an incident.
Why this is correct
MTTR measures response efficiency.
- ✓
Percentage of Systems with Unpatched Critical Vulnerabilities: The proportion of systems that have critical security patches not applied.
Why this is correct
This KRI indicates vulnerability exposure.
- ✓
Number of Security Incidents per Month: The total count of security incidents occurring in a month.
Why this is correct
Incident count indicates risk frequency.
- ✗
Mean Time to Detect (MTTD): The average time taken to respond to and resolve an incident.
Why it's wrong here
This definition describes MTTR, not MTTD.
- ✗
Number of Security Incidents per Month: The proportion of systems that have critical security patches not applied.
Why it's wrong here
This definition describes vulnerability percentage, not incident count.
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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.