Five US agencies say the tooling aimed at Siemens PLCs was written with AI — and it is disguised as monitoring software
2026-08-20Security
The NSA, CISA, FBI, Department of Energy and EPA issued a joint advisory on Siemens S7 controllers. The exploitation scripts are Python built on snap7, they masquerade as legitimate OT monitoring tools, and they give read and write access to PLC memory and ladder logic. The assessed purpose is not disruption yet — it is being ready for it.