GLOBALMalwareHealthcareHealthcareRansomwareThegentlemenRansom DemandedActor NamedMedium

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.

Group activity: HealthcareDiscovered: 2026-06-04

View aggregator listing on ransomware.live

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

Tracked as a single-filing incident — the only disclosure on record for this event so far.Unverified claimView incident

No regulatory filing corroborates this yet. If an SEC 8-K, state-AG notice, or victim statement lands, DisclosureLens will merge it into an incident and link it here.

Source provenance

Source URL: https://www.ransomware.live/id/TWljaGlnYW4gU3VyZ2ljYWwgQ2VudGVyQHRoZWdlbnRsZW1lbg==
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 3, 2026
Raw hash: c7fd4f7fe452ad8e5d161fc2fd5b021653102b86069593fae9a3d63595c88d9a

Reporting entity

Name: thegentlemen

Victim entity

Name: Michigan Surgical Center
norm: michigan surgical center
Domain: michigansurgicalcenter.com
Industry: Healthcarellm

What this source establishes

Source ceiling: A leak-site claim can't tell us: discovery date · materiality · notification · affected count · confirmed data types · compliance clock. These stay blank until a regulatory filing or victim disclosure lands.
Attack vector: Ransomware· thegentlemen
Threat actor: ThegentlemenExternalFinancial

Compliance

Compliance flags: — (clock not assessable for this source)

Extraction provenance

Status: No extraction artifact recorded for this disclosure.