Critical
https://www.cisa.gov/uscert/ncas/alerts.xml
25 Sep 2026
Iranian Actors Exploit PLC Vulnerabilities in US Critical Infrastructure
Iranian-affiliated cyber actors are actively exploiting programmable logic controllers (PLCs) across US critical infrastructure. This targets physical operational technology (OT) environments. Organizations must segment OT networks, apply strict access controls, and review ICS/SCADA device firmware immediately.