Your Patch List Won’t Save You: Getting Ready for CISA’s Zone and Conduit Evidence Push

Engineer reviewing an industrial network segmentation diagram on a monitor in a plant control room

CISA and cyber insurers are shifting from patch-cadence questions to demands for documented IEC 62443 zones, conduits, and SL-T/SL-A evidence — here’s how to build a lightweight conduit register from what you already have before the 2026 crunch hits.

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