Winona County, Minnesota, Hit by Medusa Ransomware Attack
Winona County, Minnesota, experienced a ransomware attack on April 8, 2026, attributed to the Medusa ransomware group.
Key points
- Winona County, Minnesota, suffered a ransomware attack on April 8, 2026.
- Attributed to the Medusa ransomware group.
- Disrupted critical county systems and municipal services.
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Signal brief
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Organization
- Published
- Apr 8, 2026
- Updated
- Jun 25, 2026
- Confidence
- Medium
- Evidence
- 2 sources
Structured assessment
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Threat source
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Business impact
- Impact area
- Availability
Mentioned entities
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Questions about this signal
What happened in this signal?
Winona County, Minnesota, experienced a ransomware attack on April 8, 2026, attributed to the Medusa ransomware group. The attack severely disrupted critical county systems and municipal services, forcing systems offline and delaying public services. The incident prompted the deployment of the National Guard to support recovery efforts, indicating a significant impact on the county's operations and potential data exfiltration.
When was this signal reported?
Shadow Tier lists Apr 8, 2026 as the signal date.
Which organization is connected to this signal?
Co is the organization connected to this public signal.
Explore CoWhich attack pattern is relevant?
This signal is connected to current ransomware incidents based on its reported incident context.
Explore current ransomware incidentsWhich impact area is relevant?
This signal is connected to data exposure and breach intelligence based on its reported consequences.
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