DisclosureLens
GLOBALMalwareHealthcareHealthcareRansomwareWorldleaksRansom DemandedActor NamedMedium

MPowerHealth Holdings LLC

bd_f3daab487b6c7b36 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Aug 19, 2025

To disclose

Affected

Not disclosed

Linked

2 filings

Confidence

50%
Full breach record for MPowerHealth Holdings LLC

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Worldleaks 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: 2025-08-19
Listing address (not linked): https://worldleaksartrjm3c6vasllvgacbi5u3mgzkluehrzhk2jz4taufuid.onion/companies/1962265185View merged incident timeline

Source: Ransomware.live

Post text · scraped from the leak site

MPOWERHealth is a Texas-based healthcare services company primarily serving the value-based care market in the United States. They offer specialized medical solutions aimed at improving the quality of care while reducing costs. Their comprehensive services include outpatient surgery, post-acute care, analytics for population health management, and a collaborative physician network. Their work promotes efficient patient care and coordination for all stakeholders.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Aug 19, 2025

Claim posted

Corroborated · see linked filings

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

Claim → filing

Compliance clock

Not assessable

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Filing propagation · 2 filings

View merged incident ↗
PressJun 29 · first
Leak Site+52d · this page

Pattern: first filing Jun 29, last Aug 19 — a 52-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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.

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 2022-06-23

worldleaks

According to ransomware.live, World Leaks emerged in January 2025 as a rebrand of the Hunters International ransomware operation, shifting its focus from file encryption to solely stealing sensitive data and threatening to leak it unless a ransom is paid

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