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currently linked to this company
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Winonacounty cybersecurity incidents and threat signals
winonacounty.gov
This company page brings together public reporting currently associated with Winonacounty. It reflects signals published by Shadow Tier and should not be read as a complete incident history.
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June 25, 2026
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Based on all published signals currently linked to Winonacounty. Affected countries come from victim data; the company country above remains a separate profile fact. Counts describe this reporting set, not overall incident prevalence.
Attack patterns
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All published signals involving Winonacounty
Winona County, MN Ransomware Attack
Winona County, Minnesota, experienced a ransomware attack that began on April 6, 2026, and continued into April 7, 2026. The attack targeted critical systems and digital services, causing significant disruptions and impairing the county's ability to provide vital emergency and critical services. The Minnesota National Guard was deployed to assist with the incident response. A cybercriminal group named 'Interlock' later claimed responsibility on April 30, 2026, stating they had stolen over 2 million files from the county. The county acknowledged the April 2026 ransomware attack and stated an investigation was ongoing.
FAQ
Questions about Winonacounty cybersecurity reporting
What does the Winonacounty page include?
It combines a reviewed organization profile with all current published Shadow Tier signals explicitly linked to Winonacounty.
Does every mention of Winonacounty appear here?
No. A signal must contain a reliable company connection and meet the publication criteria; incidental or ambiguous mentions are excluded.
Why can the incident count change?
The page follows current published reporting. Counts change as new evidence is added, classifications are reviewed, or older signals leave the reporting window.