Cyberattacks on Minnesota Water Systems Investigated as Officials Warn About Iranian Hackers

Authorities were working Thursday to find the source of cyberattacks that targeted over 30 water systems in Minnesota and came amid warnings that Iranian hackers have been focused on such systems.

Minnesota IT Services said state officials had yet to identify who was behind the attacks that took place Sunday and Monday. 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.

The FBI, which is investigating, has not publicly identified a culprit and a spokesperson declined to say Thursday who the bureau thought might be responsible. The FBI, Cybersecurity and Infrastructure Security Agency and other agencies warned in an advisory last week that Iranian hackers have been targeting water and wastewater systems and the operational controls other critical infrastructure sectors.

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