easyMultiple Choice
CS0-003 Practice Question: In a regulated payment environment, an incident…
In a regulated payment environment, an incident was contained successfully, but delayed escalation allowed the attacker more dwell time. What should the post-incident review produce? During eradication, which decision is most defensible? which action best reduces risk without losing evidence?
⚠ Common exam trap
The CS0-004 exam often tests the misconception that post-incident reviews are about assigning blame or deleting evidence, rather than focusing on process improvement and evidence preservation.
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
✓
Specific playbook updates, escalation triggers, owners, and due dates
It addresses all three aspects implicitly. A post-incident review in a regulated payment environment must produce actionable improvements (specific playbook updates, escalation triggers, owners, due dates) to prevent recurrence and reduce dwell time. During eradication, the most defensible decision is to follow the updated playbook, ensuring actions are documented and repeatable. The action that reduces risk without losing evidence is to implement defined escalation triggers and owners, ensuring prompt containment while preserving forensic data—avoiding deletion or blame.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
A generic statement that security is important
Why it's wrong here
Useful reviews create concrete actions.
- ✗
Deletion of all incident tickets
Why it's wrong here
Tickets provide evidence and improvement history.
- ✗
A blame list of individual analysts
Why it's wrong here
Blame-focused reviews discourage reporting and do not fix process gaps.
- ✓
Specific playbook updates, escalation triggers, owners, and due dates
Why this is correct
Lessons learned should translate findings into trackable process improvements. In eradication, responders need action that reduces risk while preserving the investigation record.
Go deeper
Related to this question
Learn chapter
Mobile Device Forensics and MDM Evidence
Key term
Risk
Risk is the possibility that an event or action will negatively affect an organization's ability to achieve its goals, often measured in terms of likelihood and impact.
Key term
Eradication
Eradication is the phase in incident response where the root cause of a security breach is completely removed from the system to prevent the attack from happening again.
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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.