GLOBALMalwareHealthcareHealthcareRansomwareSarcomaRansom DemandedActor NamedMedium

Unimed do Brasil

bd_3127f9b87719e2af · schema v1 · pii pii-v1

Full breach record for Unimed do Brasil →

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Sarcoma 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: 2025-10-15

View aggregator listing on ransomware.live

Source: Ransomware.live

Post text · scraped from the leak site

Unimed do Brasil Unimed Pelotas is a comprehensive health service center located in Pelotas, Brazil, providing a wide range of medical services and assistance. They offer client-friendly features such as an application for convenience, a doctor search guide, and online medical consultations for both adults and children. The organization also emphasizes community involvement through various programs, including health and sustainability initiatives. Their target audience includes individuals seeking health insurance and medical services tailored to their needs.Geo: Brazil - Leak size: 2,8 TB Archive - Contains: Files,SQL

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/VW5pbWVkIGRvIEJyYXNpbEBzYXJjb21h
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 15, 2025
Raw hash: 617bd647fb03ee0c3969f72774e24b84b74c0a4777ea6d6f8f032ba52d6187e2

Reporting entity

Name: sarcoma

Victim entity

Name: Unimed do Brasil
norm: unimed do brasil
Domain: unimed.com.br
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· sarcoma
Threat actor: SarcomaExternalFinancial

Compliance

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

Extraction provenance

Status: No extraction artifact recorded for this disclosure.