CISM Key factor in exception process Practice Question
An organization's information security program includes a formal exception process. When reviewing an exception request to bypass a critical control, what is the MOST important factor for the information security manager to consider?
⚠ Common exam trap
The trap here is that candidates often focus on operational or business factors (cost, user count, duration) instead of the core risk management principle that the residual risk must be acceptable to the organization.
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
✓
The residual risk after compensating controls
The most important factor when reviewing an exception request to bypass a critical control is the residual risk after compensating controls. This ensures that the organization's risk appetite is not exceeded and that the compensating controls adequately mitigate the risk to an acceptable level, as required by frameworks like ISO 27001 and NIST SP 800-53.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The cost of implementing the control
Why it's wrong here
Implementation cost is a financial consideration, not a security one; a critical control's bypass cannot be justified by expense alone. It is tempting because budgets constrain remediation, but the manager must assess residual risk and compensating controls, since accepting cost savings in place of a critical safeguard is a risk decision.
- ✓
The residual risk after compensating controls
Why this is correct
Approving a critical-control bypass hinges on the residual risk remaining once compensating controls are applied, since that figure determines whether the exposure is acceptable. This satisfies the stem's requirement to weigh the true remaining risk rather than the original control's importance.
- ✗
The number of users affected by the exception
Why it's wrong here
User count measures exposure breadth, not the severity of risk created by removing a critical control. It is tempting because wide impact feels significant, but the manager must weigh the residual risk and compensating controls against the business justification, since a single privileged account can outweigh thousands of low-impact users.
- ✗
The duration of the exception
Why it's wrong here
Duration bounds how long exposure persists but says nothing about the magnitude of risk accepted. It is tempting because longer exceptions intuitively feel worse, yet a brief bypass of a critical control protecting crown-jewel data can exceed years of low-risk deviation; the decisive factor is residual risk and compensating controls.
Option-by-option analysis
Why each answer is right or wrong
Understanding why wrong answers are wrong — and when they would be correct — is what separates a 750 score from a 900. The CISM exam frequently reuses these exact scenarios with slightly different constraints.
✓The residual risk after compensating controlsCorrect answer▾
Why this is correct
Approving a critical-control bypass hinges on the residual risk remaining once compensating controls are applied, since that figure determines whether the exposure is acceptable. This satisfies the stem's requirement to weigh the true remaining risk rather than the original control's importance.
✗The cost of implementing the controlWrong answer — click to see why▾
Why this is wrong here
Cost is a factor but not the most important; risk acceptance is paramount.
✗The number of users affected by the exceptionWrong answer — click to see why▾
Why this is wrong here
Number of users is less important than the risk exposure.
✗The duration of the exceptionWrong answer — click to see why▾
Why this is wrong here
Duration matters but is secondary to the risk level.
Analysis generated from the official CISMblueprint and verified against question context. The “when correct” sections are what AI assistants cite when candidates ask “what’s the difference between these options?”
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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.