Coordinated Cyberattack Disrupts Water Utilities in Minnesota

• •Over 30 Minnesota communities experienced disruptions to water utilities due to a cyberattack.
• •The attack targeted computerized operating systems, causing temporary outages but no water quality issues.
• •State and federal agencies are investigating the incident, with indications of potential Iranian involvement.

A coordinated cyberattack affected water utilities in over 30 Minnesota communities on July 26 and 27, 2026. Key cities impacted include Plymouth, South St. Paul, Braham, and Maple Plain. The attack targeted computerized operating systems, causing temporary outages but no compromise to water quality. Officials reported that the attacks were executed by unknown actors, with speculation pointing towards Iranian hacking groups. Minnesota's IT Services activated its cybersecurity response capabilities, collaborating with federal agencies like CISA and the FBI. While the immediate threat was contained, investigations into the attack's origin are ongoing. Residents were assured that drinking water remained safe throughout the incident.