Federal investigators are probing a suspected cyberattack on more than 30 community water systems across Minnesota, after malicious digital activity disrupted operations and forced several utilities to switch to manual controls.

According to state officials, four cities publicly confirmed the attacks, while investigators are examining whether the hackers have links to Iranian cyber groups. The FBI has cautioned that the findings remain preliminary, and officials are also considering whether the attackers intentionally tried to appear Iran-based amid heightened U.S.-Iran tensions.

The incident has once again raised concerns over the security of America's critical infrastructure, including water, wastewater, energy, and transportation systems. Previous cyber incidents involving alleged Iran-linked hacking groups have already placed U.S. utilities on high alert.

Iran-Linked Cyberattack? FBI Probes Minnesota Water System Hack |US Critical Infrastructure Targeted

A major cybersecurity investigation is underway in the United States after more than 30 community water systems in Minnesota were impacted by what authorities describe as malicious cyber activity.

According to Minnesota officials, several water utilities were forced to shift to manual operations after the attack disrupted their systems. Cities including Plymouth, South St. Paul, Maple Plain, and Braham have publicly reported cyber incidents.

Federal investigators, including the FBI, Environmental Protection Agency (EPA), and Cybersecurity and Infrastructure Security Agency (CISA), are examining the breach. Investigators are exploring whether the attacks show signs of involvement by Iran-linked hackers, though officials have stressed that the findings remain preliminary and no specific actor has been officially blamed.

 Iran Hackers Under FBI Radar Over Minnesota Water Cyberattacks

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Iran-Linked Cyberattack? FBI Probes Minnesota Water System Hack |US Critical Infrastructure Targeted

Iran Hackers Under FBI Radar Over Minnesota Water Cyberattacks