US agencies warn of AI‑driven attacks on Siemens PLCs.

U.S. security agencies say hackers are scanning for exposed Siemens PLCs and using AI‑generated scripts to gain access, tamper with memory, and disrupt industrial processes across sectors such as energy, water, manufacturing, and agriculture. The advisory notes that attackers are combining open‑source automation libraries with AI tools to speed exploit development and prepare for potentially destructive operations, though no major incidents have been confirmed. Organizations are urged to patch devices, isolate PLCs from the internet, strengthen access controls, and monitor OT environments for malicious activity. The warning follows recent Iran‑linked activity targeting U.S. water systems and PLCs from multiple vendors.

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https://www.securityweek.com/hackers-using-ai-to-target-siemens-plcs-in-critical-us-sectors/