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CAS-004 Practice Question: Discovers that a vendor's data breach exposed…
An organization discovers that a vendor's data breach exposed customer PII. The contract with the vendor does not address breach notification. What is the BEST way to prevent this in the future?
⚠ Common exam trap
CompTIA often tests the distinction between preventive controls (contractual clauses) and detective/reactive controls (assessments, insurance), leading candidates to choose 'more frequent risk assessments' because it sounds proactive, but only a contract clause creates a binding obligation.
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
✓
Add a breach notification clause in vendor contracts
Adding a breach notification clause directly addresses the contractual gap that left the organization without recourse or timely notification when the vendor suffered a data breach. This contractual remedy ensures that future incidents trigger a predefined notification process, aligning with regulatory requirements such as GDPR or HIPAA that mandate breach notification obligations for data processors. Without such a clause, the organization has no enforceable mechanism to compel the vendor to report breaches, regardless of other risk management activities.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Purchase cyber insurance covering vendor breaches
Why it's wrong here
Does not ensure notification
- ✗
Terminate the vendor relationship immediately
Why it's wrong here
Reactive, not preventive
- ✓
Add a breach notification clause in vendor contracts
Why this is correct
Legally obligates vendor to notify
- ✗
Conduct more frequent vendor risk assessments
Why it's wrong here
Does not enforce notification
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CAS-005 practice question is part of Courseiva's free CompTIA 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 CAS-005 exam.