A Winona County cyberattack has disrupted critical systems and forced Minnesota to step in with emergency support.

The cyberattack on Winona County began on April 6 and continued overnight into April 7, affecting key digital infrastructure used to run emergency and municipal services. County officials said the disruption significantly impaired their ability to deliver essential services, including core administrative and public-facing operations.

Governor Tim Walz signed an executive order authorizing the Minnesota National Guard to assist with the response.

“Cyberattacks are an evolving threat that can strike anywhere, at any time,” said Governor Walz. “Swift coordination between s...