Winona County Hit by Cyber Attack

Minnesota National Guard deployed to assist county after critical systems disrupted

Apr. 9, 2026 at 10:38pm

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An extreme close-up photograph of a damaged computer circuit board, with harsh shadows and bright highlights, conveying the gritty aftermath of a cyber attack on government infrastructure.A cyber attack on Winona County's critical systems exposes the vulnerability of local governments to digital threats.Winona Today

Minnesota Governor Tim Walz issued an emergency executive order on April 7, 2026, dispatching the Minnesota National Guard after Winona County requested assistance following a cyber attack that disrupted the county's critical systems and digital services. The attack occurred on April 6, 2026 and is significantly impairing the county's ability to deliver vital emergency and municipal services.

Why it matters

Cyber attacks on government infrastructure and critical services have become an increasing threat, especially in the aftermath of the war in Iran. This incident in Winona County is the latest example of how state and local governments are vulnerable to these types of attacks, which can have serious consequences for public safety and community operations.

The details

The attackers behind the Winona County cyber attack are currently unknown, but it is further evidence of the increased cyber threat following the war in Iran. A Joint Advisory issued by federal agencies has warned government agencies and critical infrastructure to prepare for and prevent cyber attacks during the ongoing conflict.

  • The cyber attack occurred on April 6, 2026.
  • Governor Walz issued the emergency executive order on April 7, 2026, dispatching the Minnesota National Guard.

The players

Tim Walz

The Governor of Minnesota who issued an emergency executive order to dispatch the National Guard to assist Winona County.

Winona County

The county in Minnesota that was the victim of the cyber attack, which significantly disrupted its critical systems and digital services.

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What’s next

The Minnesota National Guard will work to restore Winona County's critical systems and digital services disrupted by the cyber attack.

The takeaway

This incident in Winona County underscores the growing threat of cyber attacks on government infrastructure and the need for state and local authorities to bolster their cybersecurity defenses, especially in the aftermath of major geopolitical conflicts.