Critical
https://www.cisa.gov/uscert/ncas/alerts.xml
03 Sep 2026
Iranian Actors Exploit PLCs in US Critical Infrastructure
Iranian-affiliated threat actors are exploiting Programmable Logic Controllers (PLCs) across US critical infrastructure. This poses a severe physical security and operational risk. Organizations managing industrial control systems (ICS) must implement strict network segregation and apply vendor-specific patches to PLCs immediately.