The free Purdue Model Zone Worksheet
A worksheet for segmenting an OT/ICS environment using the Purdue Enterprise Reference Architecture for IEC 62443 alignment.
The short version
What is the Purdue Model Zone Worksheet?
The Purdue Model Zone Worksheet is a free tool for segmenting an OT or ICS environment using the Purdue Enterprise Reference Architecture. It guides you through placing assets across Levels 0 to 5, defining zones and conduits, and documenting trust boundaries and data flows so the resulting segmentation supports IEC 62443 alignment.
Updated . Free to download, no credit card required.
Purdue Model Zone Worksheet
A worksheet for segmenting an OT/ICS environment using the Purdue Enterprise Reference Architecture for IEC 62443 alignment.
- Levels 0-5 asset placement
- Zone-and-conduit definitions
- Trust boundaries and data flows
- IEC 62443 alignment prompts
Frequently asked questions
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