CISM Information Security Programme Practice Question
A financial institution uses CIS Controls v8 and must prioritize implementation. The organization has limited resources and high exposure to ransomware. Which implementation group should be addressed FIRST?
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
✓
Implementation Group 1 (IG1)
IG1 consists of essential controls (e.g., inventory, malware defenses) that address the most common attacks, including ransomware.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
All groups simultaneously
Why it's wrong here
This would overwhelm resources; prioritization is key.
- ✗
Implementation Group 3 (IG3)
Why it's wrong here
IG3 is for advanced threats but is not the first priority.
- ✓
Implementation Group 1 (IG1)
Why this is correct
IG1 includes basic cyber hygiene controls that prevent common attacks like ransomware.
- ✗
Implementation Group 2 (IG2)
Why it's wrong here
IG2 adds more controls but assumes IG1 is already in place.
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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.