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 performin…