This CAS-004 practice question tests your understanding of governance, risk and compliance. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
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?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Purchase cyber insurance covering vendor breaches
Why wrong: Does not ensure notification
Terminate the vendor relationship immediately
Why wrong: Reactive, not preventive
Add a breach notification clause in vendor contracts
Legally obligates vendor to notify
Conduct more frequent vendor risk assessments
Why wrong: Does not enforce notification
Answer choices
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.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
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
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Conduct more frequent vendor risk assessments
Why it's wrong here
Does not enforce notification
Common exam traps
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.
Detailed technical explanation
Breach notification clauses typically specify timeframes (e.g., 24–72 hours), communication channels (e.g., encrypted email or secure portal), and required details (e.g., types of PII exposed, number of records, remediation steps). In practice, organizations often align these clauses with frameworks like NIST SP 800-53 or ISO 27001, which mandate incident response coordination with third parties. A real-world scenario is the 2023 MOVEit breach, where many organizations lacked contractual notification requirements, leading to delayed discovery and regulatory fines.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
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FAQ
Governance, Risk and Compliance — This question tests Governance, Risk and Compliance — Read the scenario before looking for a memorised answer..
The correct answer is: 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.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jun 30, 2026
This CAS-004 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-004 exam.
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