Winona County
bd_b4a4ad03d964689f · schema v1 · pii pii-v1
Full breach record for Winona County →2 incidents on fileThreat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Interlock on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.
Source: Ransomware.live
Post text · scraped from the leak site
Winona County is located in the Mississippi River blufflands of southeastern Minnesota. They have been negligent regarding security and the data they store, which has resulted in a breach and the public disclosure of all the confidential data they held. As a result, we are now able to offer you a large database containing resident records, tax and budget documents, police records, and data from other institutions.
J jump to incidentP pin to compareR raw source
Incident timeline — mostly unverified
? — ?
Breach window unknown
May 1, 2026
Claim posted
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Corroborated · see linked filings
Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.
Claim → filing
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Compliance clock
Not assessable
Linked disclosures
Why this link?Regulatory filings (3) · sorted by filing gap
- Nebraska State AGbd_8cdf1e17adeab8532026-05-12 · +11dVerified
- Massachusetts State AGbd_4f04d681b56f59262026-05-18 · +17dVerified
- New Hampshire State AGbd_d0844e449554c09f2026-05-18 · +17dCandidate
Filing propagation · 4 filings · 3 states
View merged incident ↗Pattern: first filing May 1, last May 18 (NH) — a 17-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.
Source ceiling
- actor name
- victim claim
- ransom/leak status
- discovery date
- materiality
- notification
- affected count
- confirmed data types
- compliance clock
The ✕ fields stay blank until a regulatory filing or victim disclosure lands.
interlock
According to ransomware.live, Interlock is a ransomware group first observed in September 2024 that targets critical infrastructure sectors including healthcare, government, education, and technology across North America and Europe using double-extortion, with 57+ claimed victims including a major US dialysis provider exposing over two million patient records.