ISC2 CC Practice Question: Business Continuity, Disaster Recovery, and Incident Response
A security analyst detects unusual outbound traffic from a server that suggests a data breach. According to GDPR, within what timeframe must the organization notify 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 mandates notification within 72 hours of awareness of a 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.
- ✓
72 hours
Why this is correct
72 hours satisfies the GDPR Article 33 requirement to notify the supervisory authority of a personal data breach without undue delay and, where feasible, no later than 72 hours after becoming aware of it. The detected exfiltration of personal data triggers this controller obligation, so this timeframe is correct.
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48 hours
Why it's wrong here
GDPR Article 33 mandates notification within 72 hours, so 48 hours is a different figure that does not match the regulation. It tempts because it sits close to the real deadline and resembles internal service-level targets, but the supervisory authority window is fixed at 72 hours.
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7 days
Why it's wrong here
GDPR Article 33 requires notification within 72 hours of becoming aware of a personal data breach, so seven days exceeds the deadline. It tempts because longer windows appear in other regimes or internal reporting policies, but the regulation fixes 72 hours as the outer limit.
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24 hours
Why it's wrong here
GDPR Article 33 sets a 72-hour notification deadline, so 24 hours states a shorter period than the regulation requires. It tempts because 24 hours is a common internal escalation target or appears in NIS2 and other breach rules, but it is not the GDPR supervisory authority timeframe.
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Related to this question
Learn chapter
Security Awareness and Training
Key term
Organization
An Organization is a top-level container in Google Cloud that represents your company or entities and serves as the root node for all your cloud resources, policies, and access control.
Key term
General Data Protection Regulation
A European Union law that gives individuals control over their personal data and sets strict rules for how organizations collect, store, and process that data.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CC practice question is part of Courseiva's free ISC2 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 CC exam.