importantSYS.SOURCE: The Hacker News• 2026-08-06T17:46:58+05:30

4,400 Rockwell PLCs Exposed Online, 22 in Water Utility Attack Targets

#industrial security #vulnerability #firmware security #water security

Over 4,400 Rockwell PLCs were found exposed online, with 22 located in water utility systems targeted by recent cyberattacks. The vulnerability CVE-2017-16740 and insecure network configurations pose risks, prompting recommendations to isolate industrial controllers from public networks.

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

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