DisclosureLens
GLOBALMalwareHealthcareHealthcareRansomwareKazuRansom DemandedActor NamedMedium

Centro Médico Especializado OSI: Healthcare Solutions

bd_d704b8f396de0a86 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Filed

Aug 23, 2026

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for Centro Médico Especializado OSI: Healthcare Solutions

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Kazu 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: 2026-08-23

Source: Ransomware.live

Post text · scraped from the leak site

Centro Médico Especializado OSI is a healthcare provider based in Peru that specializes in physical medicine, rehabilitation, physiotherapy, chiropractic care, and alternative medicine treatments. Founded in 1999 and headquartered in Lima, OSI has grown into one of the country's largest rehabilitation and physiotherapy networks, operating multiple clinics across the Lima metropolitan area. wellness network in Peru, focused on helping patients recover mobility, reduce pain, and improve their quality of life through specialized medical and therapeutic care.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Aug 23, 2026

Claim posted

No filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Claim → filing

Compliance clock

Not assessable

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

Evidence ladder

Leak-site claimThis record

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

No regulatory filing corroborates this yet — it is the attacker's own assertion. Watch this entity to be notified the moment a filing corroborates or contradicts it.

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.

About this groupFirst seen 2025-11-06

kazu

According to ransomware.live, Kazu is an emerging ransomware group active since September 2025 that employs double-extortion tactics, targeting government, healthcare, and financial organizations primarily in Southeast Asia, the Middle East, and Latin America, with notable claimed breaches including Dubai's Ports, Customs and Free Zone Corporation with 1.94 TB exfiltrated.

21 tracked hereFull profile →