Change Management and Validation

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Change Workflow

1. Plan: define objective, impact area, rollback approach.
2. Implement: apply in controlled sequence with notes.
3. Validate: run service, connectivity, and security checks.
4. Record: log outcome, evidence, and follow-up actions.

Minimum Validation Set

• Authentication and authorization checks.
• Firewall policy path verification.
• Core service health (DNS, domain, monitoring pipelines).
• Log collection and alerting continuity.

Documentation Standards

• Every change includes timestamp, reason, and impact summary.
• Security-related changes include control validation evidence.
• Significant architecture changes update topology docs.