CISM Incident Management Practice Question
Which of the following is the primary purpose of having a pre-established forensic retainer agreement?
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 reduce the time required to engage external forensics during an incident
A pre-established retainer reduces the time to engage a forensics firm during an incident, ensuring rapid response.
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 reduce the time required to engage external forensics during an incident
Why this is correct
A retainer pre-negotiates rates, scope, contacts and legal terms with a forensics provider, so engagement begins immediately when an incident occurs. This removes procurement and contracting delays, directly reducing the time required to engage external forensics and preserving volatile evidence.
- ✗
To ensure the forensics firm is certified
Why it's wrong here
Certification of the firm is a procurement check, not the retainer's purpose. A retainer pre-negotiates rates, scope and availability so forensic evidence can be collected within hours of an incident, before volatile data is lost. It would be tempting if the question asked how to vet a provider's credentials during vendor selection.
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To guarantee the lowest price for forensic services
Why it's wrong here
A retainer fixes pre-agreed rates and terms, but price minimisation is not its purpose. It is tempting because negotiated rates are set in advance, yet the retainer exists to guarantee rapid mobilisation and defined scope when an incident occurs, not to secure the cheapest service.
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To comply with regulatory requirements
Why it's wrong here
Regulatory compliance is a general governance obligation, not the retainer's purpose. It is tempting because forensic investigations often must satisfy legal or industry mandates, but a retainer pre-establishes rates, scope, and availability so responders can engage immediately during an 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.