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Over 4,400 Rockwell PLCs Exposed Online, 22 Found in Water Attack Cities
Forescout identified 4,407 internet-facing Rockwell Automation programmable logic controllers (PLCs) online globally, with 2,844 in the United States. The researcher found 22 of these exposed devices in cities that experienced recent cyberattacks on water utilities, with 19 sharing the same mobile carrier network, though no active compromise was confirmed.
Why it matters: Industrial control system operators and water utility security teams need to audit their Rockwell PLC exposure and network segmentation immediately, as these devices in compromised regions represent a direct attack surface for critical infrastructure targeting.
- Source published
- First seen by Cybersecurity Tracker