The following includes new PERA articles, web links, and milestones (see dates):
- Mark Trump published an article Water Supply is a Data Center Risk that explains that cooling water can be lost as a result of an infrastructure cyber attack, and unlike loss of electrical power supply, it may not be possible to quickly replace. (Sept 13, 2026)
- An extensive cybersecurity research library is being developed by Mark Trump. Just click on this link and put your question in the Search Field (at the lower left)(Sept 8, 2026)
- In his article "When AI Safety Meets Process Safety," Sinclair Koelemji explains the potential risks from erroneous plant operations by Artificial Intelligence. (June 16, 2026)
- The following "Incident Response in Process Automation" is a Guest Lecture given by Sinclair Koelemij. It is an outstanding description of a Cyber Incident Strategy for Process Industries. This 34-page document is recommended reading for anyone who operates a large-scale process facility. (May 25, 2026)
- Mark Trump published "AI is Rapidly Reshaping Operational Technology and Industrial Infrastructure." This article resulted in many comments on LinkedIn. It addresses the topic of new opportunities created by the use of AI in plant OT and Infrastructire. (March 6, 2025)
- Vitautas Butrimas published "Should They Have Known Better ?" An analysis of lessons from the January 20, 2026 cyber-attack on the electrical power grid in Poland (February 21, 2026).
- River Caudle published "The Purdue Model Isn't Dead" providing an excellent summary of PERA concepts and history. (Jan 20, 2026)
- River Caudle published "IEC 62443 Gets Security Levels Wrong" proposing a concept for "consequence-based" risk assessment. (Dec 14, 2025)
- Work on the PERA Plus Update has started (August 1, 2025)
The objective is to address new concepts and technologies that have evolved since the original PERA architectures and methodologies were defined.
Please take a moment to review the PERA Update Plan and semdus your comments and suggestions.
- Inductive Automation has published a description of use of their products in a "Secure, Scalable PERA Framework'. Their Ignition Products are shown in
diagrams of each PERA Architectural Level.
- HIMA published a module on SIS Cybersecurity including a concept for zones and conduits using PERA Levels 0 to 3 to segregate zones.
We welcome your Comments and Suggestions
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