U.S. Agencies Warn AI Is Being Used to Auto-Generate Exploits for Siemens Industrial Controllers

CISA, the FBI, and the NSA warned on August 20, 2026, that hackers are using AI to generate exploit scripts targeting Siemens S7 programmable logic controllers across U.S. critical infrastructure. The advisory states AI dramatically reduces the expertise and time needed to develop working OT exploits. Intrusions linked to suspected Iranian actors have hit water facilities in at least five states.