CISM Information Security Governance Practice Question
A CISO is building a business case for a new security tool. Which TWO metrics would BEST justify the investment to senior leadership?
⚠ Common exam trap
CISM often tests the distinction between operational/technical metrics (MTTR, click rate, vulnerability counts) and business/financial metrics (cost avoidance, ROI, risk reduction) — candidates pick technical metrics because they are familiar, but senior leadership needs monetary impact.
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
✓
Compliance cost avoidance
Compliance cost avoidance (A) is correct because it translates the tool's controls into avoided regulatory fines, penalties, and audit remediation expenses, which senior leadership can directly compare against the investment's price tag. Breach cost avoidance (B) is also correct because it quantifies the potential financial impact of prevented incidents—such as forensics, notification, legal, and downtime costs—making the business case in the language of risk and ROI that executives use for capital decisions. The remaining options are operational or technical metrics rather than financial justifications: MTTR improvements (C) indicate response efficiency but not the monetary value of the investment, phishing simulation click rate (D) measures user awareness program effectiveness, and number of vulnerabilities discovered (E) reflects scanning volume rather than business impact or cost savings.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Compliance cost avoidance
Why this is correct
Compliance cost avoidance translates reduced audit findings, penalties and remediation effort into financial terms, which is the language senior leadership uses for funding decisions. It ties the tool directly to the regulatory obligations the organisation must meet, making the investment defensible.
- ✓
Breach cost avoidance
Why this is correct
Breach cost avoidance quantifies the expected loss prevented, combining incident response, downtime, notification and regulatory penalty exposure. Expressing the tool's value as avoided financial loss against its cost gives leadership the risk-reduction justification they need to approve spending.
- ✗
Mean time to respond (MTTR) improvements
Why it's wrong here
MTTR improvements measure operational recovery speed, not the financial exposure senior leadership weighs when approving spend. It is tempting because MTTR is a genuine security-operations metric, and it would be the right choice when justifying investment in detection and response tooling to a technical audience.
- ✗
Phishing simulation click rate
Why it's wrong here
Phishing simulation click rate measures user susceptibility, not the financial or risk-reduction impact senior leadership needs for investment approval. It is tempting because it quantifies awareness-programme effectiveness and would suit justifying security training spend. However, a business case requires metrics tying the tool to reduced loss exposure or return, which click rate cannot demonstrate.
- ✗
Number of vulnerabilities discovered
Why it's wrong here
Counting vulnerabilities discovered measures scanner output, not business risk, so it cannot demonstrate reduced exposure or avoided loss to the board. It is tempting because vulnerability counts track remediation workload and suit operational reporting to security teams, where trending scan findings and tracking patch backlog are the intended use.
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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.