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NewsWSVN 7 News MiamiAugust 2, 2026Miami-Dade

FBI Investigating Cyberattacks on Michigan and Minnesota Water Systems

Federal authorities are investigating cyberattacks targeting water treatment systems in Michigan and Minnesota. While multiple systems reported malicious activity, officials state that water quality remains safe and no public health threats have been identified.

cybersecuritywater infrastructurepublic safetyfederal investigationcritical infrastructure
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Why It Matters

Residents in affected areas may experience temporary disruptions to water monitoring or control systems, though local officials report that water safety and supply have been maintained.

Key Facts

  • Nine water systems in Michigan reported activity consistent with cyberattacks.
  • Over 30 water systems in Minnesota were targeted by cyberattacks.
  • The FBI is currently investigating the source of the attacks.
  • Federal agencies previously issued warnings that Iranian hackers were targeting water and wastewater infrastructure.
  • All affected water systems in Michigan are reported to be operating safely with no public health concerns.
  • The city of Braham, Minnesota, experienced a temporary water plant outage due to a cyberattack on Monday.
  • The city of Plymouth, Minnesota, reported that water infrastructure communications were restored by Tuesday afternoon.
  • Most attacks involved technology used to remotely monitor and control water equipment.
  • A 2016 Justice Department case involved Iranian hackers targeting a dam near New York City.
  • The attacks do not necessarily mean water service was disrupted in every impacted community.

Who's Mentioned

locationPlymouth“Minnesota city that reported a cyberattack on water infrastructure.”organizationCybersecurity and Infrastructure Security Agency“Issued warnings regarding threats to water infrastructure.”organizationFBI“Leading the investigation into the cyberattacks.”personTim Walz“Governor of Minnesota.”personDale George“Director of communications at the Michigan Department of Environment, Great Lake”locationBraham“Minnesota city that experienced a temporary water plant outage.”personDonald Trump“Former President who commented on the attacks.”