ProtectPractice and strategy

Purdue zoning designer

Place OT assets on Purdue levels, group them into zones with a 62443 target security level, and declare the conduits that may cross.

How to use it
  1. Add each asset with its Purdue level and the zone it belongs to.
  2. Set the IEC 62443 target security level for the zone.
  3. Declare each conduit: the only labelled crossings allowed between zones.
  4. Export the zoning diagram for an OT security review.

This tool reinforces ot and ics security. Your work autosaves to this browser. Use the download buttons on the figure for PNG and PowerPoint.