// OT/IT SEGMENTATION FIELD GUIDE

The Purdue Model: an attack-path playbook

The Purdue Enterprise Reference Architecture is the standard map for where systems sit between the enterprise network and the physical process floor — and the backbone of how IEC 62443 defines security zones and conduits. Click a node for its file, or run a scenario below and watch a real attack pattern actually move down the diagram.

FIELD REFERENCE · REV 2026
Untouched Compromised / bypassed Held / blocked as designed
SIMULATE A COMMON ATTACK PATTERN
REPLAY A REAL INCIDENT
FIELD LOG
Run a scenario to see how it moves through the network, level by level.