ISC2 CC Practice Question: Business Continuity, Disaster Recovery, and Incident Response
During a ransomware incident, the incident response team has completed the containment and eradication phases. According to the NIST incident response framework, which THREE of the following activities are part of the post-incident activity phase?
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
✓
Conduct a lessons learned meeting to identify improvements.
The post-incident activity phase includes lessons learned, evidence retention, and updating incident response plans. System hardening is part of eradication, and customer notification may occur during recovery or communication, but not strictly part of the post-incident phase in the NIST framework.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Conduct a lessons learned meeting to identify improvements.
Why this is correct
Correct. Lessons learned is a key post-incident activity.
- ✓
Retain evidence and logs for legal or regulatory purposes.
Why this is correct
Correct. Evidence retention is part of post-incident activity.
- ✗
Notify affected customers of the data breach.
Why it's wrong here
Incorrect. Customer notification may occur during recovery or communication, but not specifically in the post-incident activity phase.
- ✓
Update the incident response plan based on findings.
Why this is correct
Correct. Updating the plan is a standard post-incident activity.
- ✗
Harden system configurations to prevent reinfection.
Why it's wrong here
Incorrect. Hardening is part of the eradication phase.
Go deeper
Related to this question
Learn chapter
Incident Response and Management
Key term
Incident response
Incident response is the structured approach an organization uses to identify, contain, and recover from cybersecurity incidents like data breaches or ransomware attacks.
Key term
Recovery
Recovery is the process of restoring systems, data, and operations after a security incident, failure, or disaster to return to normal functioning.
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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.