CISA Question of the Day: Runbook Maintenance

CISA exam practice question — CISA Question of the Day: Runbook Maintenance

CISA exam practice question: daily practice for the Certified Information Systems Auditor (CISA) exam — domain: Information Systems Operations and Business Resilience.

Question

During a recent production outage, the on-call team discovered that operational runbooks were inconsistent and several procedures were incorrect. Which control is most effective to ensure runbooks remain accurate and reliable for incident response?

  • A. Allow engineers to update runbooks informally after incidents without formal review
  • B. Rely solely on vendor-supplied documentation for operational procedures
  • C. Implement a formal runbook maintenance process with version control, scheduled reviews, change approvals, and periodic validation through drills
  • D. Document runbooks once and update them only following major incidents
Show the answer and explanation

Correct answer: C. Implement a formal runbook maintenance process with version control, scheduled reviews, change approvals, and periodic validation through drills

A formal maintenance process (version control, scheduled reviews, change approvals, and periodic validation through drills) ensures runbooks are current, auditable, and proven effective under realistic conditions. Version control provides traceability; scheduled reviews and change approvals ensure updates reflect approved changes; drills validate that procedures work in the environment. Informal updates lack governance and audit trails, increasing inconsistency and error risk. Relying only on vendor documentation ignores environment-specific configurations and local operational practices. Updating runbooks only after major incidents allows errors to persist and does not proactively reduce operational risk.

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