Drawing Zones and Conduits That Survive Contact With a Real Plant Floor

Engineer reviewing an OT network segmentation diagram on a laptop near plant equipment

Segmentation-first OT guidance is turning up in insurance renewals and customer questionnaires, but the standard’s zone-and-conduit model breaks down fast when applied by device type. Here’s how to draw it by consequence instead, and defend it to an auditor without a full re-architecture.

Read More