hardMultiple Choice
CS0-003 Practice Question: A post-incident report finds that no one owned a…
A post-incident report finds that no one owned a failed alert integration. What should the corrective action include? If the primary audience is SOC manager, which content choice is most appropriate?
⚠ Common exam trap
The CS0-004 exam often tests the misconception that closing an incident means the problem is solved, when in fact post-incident corrective actions must address root causes with measurable, accountable steps to prevent recurrence.
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
✓
Named owner, due date, acceptance criteria, and retest plan
A failed alert integration represents a gap in detection capability that must be formally remediated. Assigning a named owner ensures accountability, a due date enforces timely resolution, acceptance criteria define what constitutes success, and a retest plan verifies that the fix works. Without these elements, the same failure could recur, leaving the SOC blind to future incidents.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
No action because the incident is closed
Why it's wrong here
Closing an incident signifies that the immediate threat has been contained and mitigated, but it does not absolve the organization from implementing corrective actions derived from the post-incident analysis. The purpose of a post-incident report is to identify systemic weaknesses and process gaps, which often require follow-up tasks to prevent recurrence. Ignoring these necessary improvements because an incident is "closed" undermines the entire incident response lifecycle and continuous security posture enhancement.
- ✓
Named owner, due date, acceptance criteria, and retest plan
Why this is correct
Assigning a named owner ensures accountability for the corrective action, while a due date provides a timeline for completion. Clearly defined acceptance criteria establish what constitutes a successful resolution, making the outcome measurable and verifiable. Finally, a retest plan is crucial to validate that the implemented fix effectively addresses the original issue and does not introduce new vulnerabilities, thereby ensuring the long-term efficacy of the security improvement.
- ✗
A vague recommendation to improve security
Why it's wrong here
A vague recommendation, such as "improve security," lacks the specificity required for effective implementation and accountability. Without clear objectives, measurable outcomes, or defined responsibilities, it becomes impossible to assign tasks, track progress, or verify whether the recommendation has been successfully addressed. Such ambiguity hinders process improvement and leaves the organization vulnerable to recurring issues, failing to meet the verifiable standards expected in a post-incident review.
- ✗
Deletion of the integration record
Why it's wrong here
Deleting the integration record is counterproductive to effective incident response and continuous improvement. This action would deliberately obscure critical evidence of the alert's failure, preventing thorough root cause analysis and making it impossible to learn from the incident. Maintaining historical data, even for failed components, is essential for identifying patterns, understanding system behavior under stress, and demonstrating due diligence during audits.
Go deeper
Related to this question
Learn chapter
Network Baseline and Anomaly Detection
Key term
Detection
Detection is the process of identifying potential security incidents or anomalies by analyzing system data, logs, and network traffic.
Key term
Alert
An alert is a notification that something unusual or potentially harmful has happened in a computer system or network.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CS0-004 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 CS0-004 exam.