#9
BleepingComputer
general
July 31, 2026 at 16:49 UTC
CISA warns of cyberattacks disrupting U.S. water utilities
By Bill Toulas
AI Summary
CISA issued an urgent alert warning of a significant increase in cyberattacks targeting internet-exposed programmable logic controllers (PLCs) in the water and wastewater sector, specifically advising utilities to remove publicly accessible OT devices from the internet immediately. The advisory follows attacks on more than 30 community water systems in Minnesota, with intelligence agencies pointing to Iran-linked actors as the likely perpetrators. ICS/OT security teams at water utilities should treat PLC internet exposure as a critical, unacceptable risk requiring immediate remediation.
Relevance score: 80.0/100
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