CISM Incident Management Practice Question
After a data breach involving personal data of EU residents, the incident manager must ensure compliance with GDPR notification requirements. Within how many hours must the organization notify the relevant supervisory authority of the breach?
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
✓
72 hours
GDPR Article 33 requires notification to the supervisory authority within 72 hours of becoming aware of a personal data breach.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
96 hours
Why it's wrong here
96 hours exceeds the 72-hour requirement.
- ✗
24 hours
Why it's wrong here
24 hours is not the GDPR requirement; it is 72 hours.
- ✗
48 hours
Why it's wrong here
48 hours is not correct; GDPR mandates 72 hours.
- ✓
72 hours
Why this is correct
GDPR requires notification within 72 hours of awareness.
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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.