U.S. authorities are investigating a cyberattack that targeted over 30 municipal water systems in Minnesota, with suspicions pointing toward Iranian-backed hackers. The attacks, which occurred over a 48-hour period, affected cities including Plymouth, South St. Paul, Maple Plain, and Braham. While the incidents did not disrupt water quality or supply, some communities temporarily advised residents to limit water use. The FBI and state officials are working to confirm the perpetrators and assess the broader implications for U.S. infrastructure.
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U.S. Investigates Potential Iranian Cyberattack on Minnesota Water Systems
Published July 31, 2026 at 12:05 PM UTC