Censys researchers found 5,219 exposed Rockwell PLCs online, mostly in the U.S., urging defenders to secure or disconnect them. On April 7, 2026, U.S. agencies, including FBI, CISA, and NSA, warned of Iran-linked APTs exploiting internet-exposed Rockwell Automation PLCs. Threat actors are carrying out cyberattacks targeting internet-connected operational technology (OT) across multiple critical infrastructure sectors. […]
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