Plan
active
4,400+ Rockwell PLCs Exposed Online; 22 Near Water Utility Attack Sites
- Engineer — Plan: If your organization runs Rockwell Automation PLCs, verify none are internet-facing — Forescout’s scan found 2,844 exposed in the US alone. No exploitation confirmed, but the attack surface is substantial; audit firewall rules and mobile-carrier connections to any OT assets this quarter.
- SOC/IR — Learn: The correlation of 22 internet-exposed Rockwell PLCs in water utility attack cities is noteworthy context, but no IOCs, TTPs, or detection opportunities are surfaced — file as threat-landscape awareness for critical infrastructure hunting programs.
- Leader — Plan: The pattern of water utility cyberattacks combined with thousands of internet-exposed industrial controllers warrants adding OT/ICS internet exposure to your next risk review; if your organization operates critical infrastructure or uses Rockwell equipment, request an exposure audit before this becomes a board question.
This entry was curated and judged by AI (Claude) with automated enrichment
(CISA KEV / EPSS / public PoC). Verify against the original source before
acting. Found a bad verdict?
Report it —
confirmed errors go to the corrections log.