This episode of the Unsolicited Response Podcast features a discussion on the S4x19 Main Stage with Brad Hegrat, Joel Langill and Dale Peterson. The question: Is the Purdue Model Dead?

 

The three coalesced around an answer (unexpected). And it’s not dead, but also not terribly useful going forward in helping with OT network architecture. Have a listen, maybe you will get a different takeaway.

Here is the ISA representation of the Purdue Model.

And here is Brad’s drawing mentioned in the podcast.

Links


This episode was sponsored by CyberX. Founded by military cyber experts with nation-state expertise defending critical infrastructure, CyberX has developed an end-to-end platform for continuous ICS threat monitoring and risk mitigation.

Check out the 2019 CyberX GlobaICS and IIoT Risk Reportthe CyberX report on the NIS Directive, and my podcast from last year on the report with Phil Neray.