Mankato Clinic, Ltd.
bd_51ca675b972ac5b9 · schema v1 · pii pii-v2
Full breach record for Mankato Clinic, Ltd. →3 incidents on fileThreat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Chaos 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
The Mankato Clinic was founded Mankato, Minnesota in 1916, by five area physicians who believed that a comprehensive, multi-specialty group practice offered the best means of providing quality health care to the residents of southern Minnesota. The mission of the Mankato Clinic is to improve the hea...
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Sep 10, 2026
Claim posted
—
Corroborated · see linked filings
This record's own dates cannot anchor compliance clocks; see the linked filings.
Claim → filing
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Compliance clock
Not assessable
Linked disclosures
Why this link?Regulatory filings (2) · sorted by filing gap
- Massachusetts State AGbd_4481ea53256bf7eb2026-10-01 · +21dVerified by operator
- New Hampshire State AGbd_2b8dadda9ce11bfb2026-10-16 · +36dCandidate
Filing propagation · 2 filings · 2 states
View merged incident ↗Pattern: first filing Oct 1 (MA), last Oct 16 (NH) — a 15-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.
chaos
According to ransomware.live, Chaos is a ransomware-as-a-service operation that emerged in early 2025, likely formed by former BlackSuit/Royal members, offering cross-platform ransomware for Windows, Linux, ESXi, and NAS to affiliates recruited on the RAMP dark web forum, excluding CIS/BRICS countries and hospitals from targeting.