#iec62443

The levels are the memorable part of the reference architecture and the least useful part of the control. Treating the model as a contract turns a diagram into something testable.

Yes. AI can run inside an OT network under IEC 62443 as a local workload within a zone, or in a higher zone fed one way from the process network. An AI service that needs outbound internet from an OT

In today's interconnected industrial landscape, protecting operational technology (OT) environments...