Over 4,400 Rockwell PLCs Exposed Online, 22 Found in Water Attack Cities

The Hacker News 6 August 2026, 15:16 EEST Security

Forescout found 22 internet-facing Rockwell Automation programmable logic controllers (PLCs) in cities hit by recent cyberattacks on US water utilities. Nineteen used the same mobile carrier network. Its August 3 scan counted 4,407 exposed Rockwell controllers worldwide, including 2,844 in the United States, but Forescout could not confirm any were compromised. That figure counts exposed…

Read the full story on The Hacker News https://thehackernews.com/2026/08/over-4400-rockwell-plcs-exposed-online.html

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