CISM Incident Management Practice Question
Which of the following is a key objective of sharing threat intelligence, such as indicators of compromise (IoCs), with an Information Sharing and Analysis Center (ISAC)?
⚠ Common exam trap
CISM often tests the confusion between compliance-driven disclosure (regulatory reporting) and voluntary, mutual-benefit threat intelligence sharing — candidates may pick the regulatory option because it sounds authoritative.
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
✓
To receive timely threat information and contribute to community defense
The primary objective of sharing IoCs with an ISAC is bidirectional: the organization receives timely, sector-specific threat intelligence from peers and contributes its own observations to strengthen collective defense. ISACs are sector-based (e.g., FS-ISAC for financial services, H-ISAC for healthcare) and enable early warning of emerging threats. This mutual benefit is the core purpose of threat intelligence sharing.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
To document the incident for insurance claims
Why it's wrong here
ISAC sharing serves real-time detection and response across the sector, whereas insurance documentation is an internal claims record produced after an incident. It tempts because incident evidence is gathered for multiple purposes, but ISAC submissions are anonymised, timely indicators, not retrospective claim paperwork.
- ✗
To market the organization's security capabilities
Why it's wrong here
ISAC participation is a confidential, trust-based exchange to strengthen sector-wide defence; it is not a marketing channel, and members share under non-disclosure norms. It tempts because demonstrating security maturity can attract customers, but that reputational benefit is incidental, not the objective of contributing IoCs.
- ✓
To receive timely threat information and contribute to community defense
Why this is correct
ISAC membership is bidirectional: members submit IoCs and receive aggregated, sector-specific threat intelligence and early warnings. This reciprocal exchange satisfies the objective of gaining timely threat information while strengthening collective defence, which unilateral internal monitoring cannot deliver.
- ✗
To fulfill regulatory requirements for public disclosure
Why it's wrong here
ISAC sharing aims to improve collective detection and response through timely IoCs, not to satisfy public disclosure mandates, which typically concern breach notification to regulators or affected parties. It tempts because both involve external reporting, but regulatory disclosure is a legal obligation, not the voluntary community defence purpose of an ISAC.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official ISACA exam blueprint
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.