Swati KhandelwalJul 29, 2026Critical Infrastructure / Threat Intelligence
A coordinated cyberattack targeted operational technology at more than 30 Minnesota community water systems on July 26 and 27, triggering a statewide cybersecurity response.
Braham, Plymouth, South St. Paul and Maple Plain have publicly described a plant outage, communications failures or affected automated controls.
Braham's water plant went offline, and the city asked residents to minimize water use until treatment resumed. Plymouth reported cellular communications problems at two water towers and multiple wastewater lift stations but continued operating manually.
South St. Paul and Maple Plain maintained services after automated utility controls were affected, with Maple Plain declaring a local state of emergency to support its response.
