Key point: At least seven U.S. states have reported cyberattacks on water supply facilities since July 2026, in which attackers gained remote access to networked systems.
Following Minnesota, cyberattacks on water supply systems have also been documented in Michigan. The FBI has reported incidents since July 27, 2026 in at least seven U.S. states, in which attackers gained remote access to networked devices.
Michigan’s Department of Environment confirmed to the German Press Agency multiple reports from municipalities with activities matching the descriptions provided by federal authorities. According to the department, all affected systems continued to operate safely, and identified issues had been remediated by local operators. There were no known impacts that posed a threat to public health.
The FBI stated that water and wastewater utilities in at least seven states have reported incidents since July 27, 2026, some with operational disruptions. According to the FBI, attackers gained remote access to internet-connected devices and altered IP addresses and passwords. The FBI did not comment on possible perpetrators.
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is meanwhile warning of cyberattacks carried out by persons connected to Iran targeting government services, water and wastewater systems, and the energy sector. Media reports from the Washington Post and New York Times cite U.S. intelligence agencies and investigators who suspect Iranian hackers, but emphasize the preliminary nature of these findings. U.S. President Trump, however, blamed Minnesota’s Democratic Governor Tim Walz for inadequate security.
Source: www.it-daily.net · Published August 2, 2026
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