Why change management is an audit staple
Most outages and many incidents are self-inflicted, caused by an unreviewed change. A change management policy defines how changes to systems and code are requested, assessed, approved, tested and rolled back — giving you safety and an audit trail.
What to include
- Scope — which changes are covered (production systems, infrastructure, code, configuration).
- Change types — standard (pre-approved, low risk), normal (reviewed) and emergency (expedited with retro-approval).
- Request and assessment — what a change request captures: purpose, risk, impact, rollback plan.
- Approval — who approves which risk level; segregation of duties.
- Testing — validation before production.
- Rollback — a defined way to revert.
- Records — every change logged for traceability.
Common mistakes
- No emergency-change path, so urgent fixes bypass the process entirely.
- Approvals with no segregation of duties (author approves own change).
- No rollback plan captured in the request.
Framework alignment
Maps to ISO 27001:2022 Annex A 8.32 (change management), the SOC 2 change-management criteria, and NIST CSF Protect.
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