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CRISC Practice Question: A company uses a third-party vendor to process…
A company uses a third-party vendor to process customer data. The vendor's security control monitoring reports show no issues. However, the company's internal monitoring detects anomalies in vendor response times. What is the BEST interpretation?
⚠ Common exam trap
Test-takers frequently assume vendor monitoring reports are authoritative and dismiss internal anomalies as false positives, failing to recognize that independent monitoring is a critical control for detecting gaps in third-party security.
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
✓
The anomalies may indicate a control gap in the vendor's environment.
The discrepancy between the vendor's security monitoring reports (showing no issues) and the company's internal monitoring (detecting anomalies in response times) suggests a potential control gap in the vendor's environment. Response time anomalies can indicate underlying security issues such as resource exhaustion, data exfiltration, or compromised systems that the vendor's monitoring may not be capturing. This misalignment warrants further investigation rather than dismissal.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The vendor's monitoring is accurate; the anomalies are false positives.
Why it's wrong here
Dismissing without investigation.
- ✓
The anomalies may indicate a control gap in the vendor's environment.
Why this is correct
Internal monitoring provides independent validation.
- ✗
The internal monitoring should be disabled to avoid confusion.
Why it's wrong here
Disabling monitoring is wrong.
- ✗
The vendor's monitoring is more reliable than internal monitoring.
Why it's wrong here
Not necessarily.
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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.