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U.S. Department of Homeland Security

Hackers targeted US drinking water and wastewater facilities as recently as August, Homeland Security says

Portrait of Josh Meyer Josh Meyer
USA TODAY

WASHINGTON – The nation's top civilian cybersecurity agency issued a warning Thursday about ongoing cyber threats to the U.S. drinking water supply, saying malicious hackers are targeting government water and wastewater treatment systems.

Authorities said they wanted to highlight ongoing malicious cyber activity “by both known and unknown actors” targeting the technology and information systems that provide clean, drinkable water and treat the billions of gallons of wastewater created in the U.S. every year.