ICS

OT Asset Integrity Register (CISA CPG 2.1)

Maintain and validate an OT Asset Integrity Register for CISA CPG 2.1: catalog ICS, PLCs, HMIs, and sensors with firmware versions and physical locations; link assets to CISA KEV and vendor advisories (Siemens, Rockwell, etc.); cross-reference inventory with network discovery to flag unauthorized devices.