US, Allies Warn AI in OT May Undermine System Safety

AI in OT May Trigger Cascading Infrastructure Failures Chris Riotta (@chrisriotta) • December 4, 2025

The U.S. cyber defense agency warned that machine learning and large language model deployments can introduce new attack surfaces across critical infrastructure sectors in a document setting out principles for safely integrating artificial intelligence into operational technology.

See Also: Going Beyond the Copilot Pilot - A CISO's Perspective

The Cybersecurity and Infrastructure Security Agency and international partners advise critical infrastructure operators to have a deep understanding of how AI models behave, how they fail and how those failures can potentially cascade before implementing them in technology that manages energy, manufacturing, water, transportation and other services.

The report says operators should assess whether AI is even appropriate for the proposed use case. The technology’s complexity, costs and opacity can at times outweigh its benefits in some industrial environments. AI deployments often ...