Michigan Surgical Center
bd_5ba9898726604da1 · schema v1 · pii pii-v1
Full breach record for Michigan Surgical Center →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Thegentlemen 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
www.***.com https://www.***.com/c/michigan-surgical-center-llc/90769926 Michigan Surgical Center is an outpatient surgical facility specializing in ophthalmic and plastic surgeries, with over 25 years of experience. The center is physician-owned and has received multiple awards for quality care, including recognition as one of America's Best Ambulatory Surgical Centers by Newsweek. Their mission focuses on providing high-quality, patient-centered care with an emphasis on value-based services. They aim to lead in outpatient surgical care through innovative methodologies and a commitment to integrity and respect. 2075 Coolidge Rd, East Lansing, Michigan
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Jun 3, 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 (2) · sorted by filing gap
- HHS OCRbd_4cadc9e964a4d5622026-06-09 · +6dCandidate
- Massachusetts State AGbd_3881422d9ea17e902026-07-17 · +44dVerified by operator
Filing propagation · 3 filings · 2 states
View merged incident ↗Pattern: first filing Jun 3, last Jul 17 (MA) — a 44-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.
thegentlemen
According to ransomware.live, The Gentlemen is a RaaS group that emerged in July–August 2025, rapidly claiming over 320 victims across 17+ countries by offering affiliates a 90% revenue share, deploying a Go-based locker against Windows, Linux, NAS, and BSD systems; a compromised C2 server in 2026 revealed more than 1,570 linked victims.