CISM Information Security Programme Practice Question
When selecting security controls based on NIST SP 800-53, which control family is MOST directly related to protecting the confidentiality of data?
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
✓
Access Control (AC)
Access control (AC) family includes controls that restrict access to data, directly protecting confidentiality.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Identification and Authentication (IA)
Why it's wrong here
IA focuses on verifying identity, not directly on confidentiality.
- ✗
System and Communications Protection (SC)
Why it's wrong here
SC covers encryption and network security, but access control is more direct.
- ✗
Audit and Accountability (AU)
Why it's wrong here
AU focuses on logging and monitoring, not directly on confidentiality.
- ✓
Access Control (AC)
Why this is correct
Access control enforces permissions, protecting confidentiality.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CISM 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 CISM exam.