Individual skill

implementing-patch-management-for-ot-systems

Implements a structured patch management program for OT/ICS environments where IT-style patching can cause process disruption or safety hazards, covering vendor compatibility testing, risk-based prioritization, staged test deployment, maintenance window coordination, rollback procedures, and compensating controls. Use when planning or auditing patching for SCADA, PLCs, or other industrial control systems.

skills/implementing-patch-management-for-ot-systems/SKILL.md

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# Implementing Patch Management for OT Systems

## When to Use

- When establishing a formal OT patch management program for the first time
- When responding to critical ICS-CERT advisories affecting deployed OT systems
- When preparing for NERC CIP-007-6 or IEC 62443 patch management compliance audits
- When planning patch deployment during limited maintenance windows in continuous operations
- When evaluating compensating controls for systems that cannot be patched

**Do not use** for IT-only patch management without OT considerations, for emergency patching during active cyber incidents (see performing-ot-incident-response), or for firmware upgrades that change PLC functionality (requires separate change management).

## Prerequisites
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