GLOBALMalwareHealthcareHealthcareRansomwareCloakRansom DemandedActor NamedMedium
TuftsMedicine
bd_4d5b3325ea04082e · schema v1 · pii pii-v1
Full breach record for TuftsMedicine →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Cloak 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: 2025-09-07
Source: Ransomware.live
Post text · scraped from the leak site
N/A
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/
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Sep 7, 2025
- Raw hash
- 91b55a40483e3121895cbb7ad87d73228e72a047af6a8afaf6b3425e736f5094
Reporting entity
- Name
- cloak
Victim entity
- Name
- TuftsMedicinenorm: tuftsmedicine
- Domain
- tuftsmedicine.org
- 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· cloak
- Threat actor
- CloakExternalFinancial
Compliance
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.