CISM Incident Management Practice Question
Which THREE of the following are key activities during the post-incident phase of incident management? (Select THREE.)
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
✓
Updating incident response plans and playbooks based on lessons learned
Root cause analysis, updating the IR plan/playbooks, and sharing IoCs with ISACs are all post-incident activities. Activating the DR site occurs during the response, not post-incident.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Updating incident response plans and playbooks based on lessons learned
Why this is correct
Plans and playbooks should be updated to reflect improvements.
- ✗
Activating the disaster recovery site
Why it's wrong here
This is a response activity, typically during the incident, not post-incident.
- ✓
Conducting root cause analysis using techniques like 5 Whys
Why this is correct
RCA is a key post-incident activity to identify underlying causes.
- ✓
Sharing indicators of compromise with relevant ISACs
Why this is correct
Threat intelligence sharing is a post-incident activity to help others.
- ✗
Implementing immediate containment measures
Why it's wrong here
Containment is part of the response phase, not post-incident.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CISM practice question is part of Courseiva's free ISACA 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 CISM exam.