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Minnesota National Guard Cyber Protection Team Assisting in Winona County After Cyberattack

On Tuesday, April 7, Winona County officials discovered a ransomware attack on their network, forcing them to take systems offline. Administrator Maureen Holte warned residents to expect service delays during restoration efforts.
This incident marks the second ransomware attack on Winona County networks in less than three months. Holte noted the two incidents do not appear related, though a January attack led the county to update IT protocols.
Emergency services and 911 continue to operate as normal, according to Holte. County officials notified the FBI and Minnesota Cyber Resources to assist with investigating and containing the breach.
Gov. Tim Walz authorized a Minnesota National Guard cybersecurity team to deploy to Winona to investigate and contain damage. State officials granted a local emergency declaration to support the county's response.
Teams are working to restore systems while investigating the breach's source. This collaboration between local and state agencies aims to secure the network and prevent further disruption across Southeast Minnesota.

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Some Winona County services remain down and off-line following cyberattack

Winona County officials say some of its computer systems remain off-line as they work to restore services following a cyberattack earlier this week. The county’s IT team has been working around the clock, with assistance from the Minnesota National Guard cyber protection team to address the breach.

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