AnalysisCybersecurityAugust 20, 2026

Hackers using AI to target Siemens PLCs in critical US sectors

NSA, CISA, FBI, EPA, and DOE issued a joint advisory warning that hackers are using AI to create exploitation scripts targeting Siemens PLCs (S7-200 to S7-1500) in energy, water, and other critical sectors. Attackers combine AI-made scripts with open-source libraries like snap7.dll to tamper with PLC memory and ladder logic.

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