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Unfettered Blog
Source: Joe Weiss
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The PLC says the valve is open. The HMI agrees. But what if neither is telling the truth?
Process sensor monitoring at the physics level can help establish which information is inconsistent with reality. That is how we know who’s lying
Nov. 4, 2026
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Sign displaying Incident Response. Conceptual photo addressing and managing the aftermath of a security breach Man In Office Uniform Holding Tablet Displaying New Modern Technology.
A new home for the ACS automation incident data repository
Nov. 2, 2026
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Matrix background with the green symbols with the word HACKED in the center written in bright green
The trust gap in control system cybersecurity: Iranian water hacks and French refrigeration attacks demonstrate why independent process monitoring is essential
Oct. 21, 2026
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Modern Data Center Server Room with Blue Digital Information Overlays Representing Global Network and Cybersecurity Infrastructure
OTCC recommendations for binding operational directives are dangerously incomplete
Oct. 13, 2026
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Lock hologram, tablet and woman with data analysis safety, software overlay and cyber security coding at night. Html, script and person reading with digital technology, gdpr and networking research
If you can't trust what you measure, you have no safety or cybersecurity: The need for Immutable Situational Awareness
Oct. 6, 2026
Cybersecurity interface with biometric and AI-powered protection system.
Non-routable protocols must be addressed
Sept. 22, 2026
Female engineer inspecting water treatment pipelines with a digital tablet at a water supply plant. Concept of infrastructure, utility maintenance, water management and safety.
Water utilities make water, not packets: Why aren’t we protecting what is most important?
Sept. 8, 2026
Close-up of a disconnected Ethernet cable lying near active ports of a network switch, symbolizing internet failure, IT troubleshooting, and connectivity issues.
When digital communications became safety-critical: How a network switch failure affected control system logic and operator situational awareness
July 27, 2026
Aerial view of wastewater treatment plant at sunrise, ideal for illustrating sustainable water management, environmental engineering, and modern infrastructure in urban planning contexts.
Not solving the right problem: Water and wastewater safety and availability depend on more than networks
July 6, 2026
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