Cyberattack Targets More Than 30 Minnesota Water Utilities, Briefly Disrupting Braham Plant

Summary

Minnesota activated statewide incident response after a coordinated cyberattack targeted more than 30 water systems. Braham confirmed its plant was briefly offline due to a malicious attack; other communities reportedly used manual operations or contingency plans.

Key points

• Minnesota IT Services activated statewide cybersecurity incident response after more than 30 community water systems were targeted.
• The attacks on Sunday and Monday targeted operational technology at local water utilities; the actors remain unknown.
• Braham officials said a malicious cyberattack on computerized operating systems briefly took its water plant offline; the plant later resumed normal operations.
• Local media reported temporary equipment malfunctions at other communities, which switched to manual operations or contingency plans.
• MNIT is working with government and private-sector partners to investigate and help affected utilities contain, investigate, and remediate damage.
• CISA and partner agencies advised critical infrastructure operators to isolate vital OT systems to help maintain service continuity.

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