CISM Incident Management Practice Question
An organization has just experienced a data breach involving personal data of EU residents. Under GDPR, what is the maximum time frame for notifying the supervisory authority?
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 within 72 hours of becoming aware of the 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.
- ✗
48 hours
Why it's wrong here
48 hours is incorrect; GDPR mandates 72 hours.
- ✗
7 days
Why it's wrong here
7 days exceeds the GDPR deadline.
- ✗
24 hours
Why it's wrong here
24 hours is not the GDPR requirement; 72 hours is.
- ✓
72 hours
Why this is correct
GDPR requires notification within 72 hours.
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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.