US Water Systems Cyberattack Minnesota

A water tower is seen Thursday, July 30, 2026, in Plymouth, Minn. A cyberattack targeted the operating technology at over 30 water systems in Minnesota, including Plymouth's, earlier this week, state officials said.

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Cyberattacks on Minnesota water systems investigated as officials warn about Iranian hackers

Cyberattacks on Minnesota water systems investigated as officials warn about Iranian hackers

Authorities say cyberattacks targeted over 30 water systems in Minnesota earlier this week. The source of the attacks is being investigated, but they came amid warnings that Iranian hackers have been focused on such systems. Minnesota IT Services said Thursday that the investigation into the attacks that happened on Sunday and Monday was continuing, and that state officials had not identified who was behind them. There were no reports that residents had been impacted by the attacks, though one city asked residents to conserve water for a couple hours while they tried to determine what was wrong.