DisclosureLens
GLOBALMalwareProfessional ServicesProfessional ServicesRansomwareSarcomaRansom DemandedActor NamedMedium

The PNST

bd_0a7828544dd09fcd · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Mar 26, 2025

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for The PNST

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: Business ServicesDiscovered: 2025-03-26

Source: Ransomware.live

Post text · scraped from the leak site

The PNST Pacheco Neto Sanden Teisseire Advogados (PNST) is a Full Service office with a national and international focus on customer service and foreign investors, through its diverse multicultural team, made up of highly qualified professionals in Cross Border experience and practical experience with the main industries in Europe (Germany, France and Scandinavia). PNST is the result of the merger of six partners and their respective teams of respected offices in the country, who worked for decades sharing the same philosophies of work, life, legal expertise and commercial objectives.Geo: Brazil - Leak size: 59 GB Arcive - Contains: Files

Incident timeline — mostly unverified

? — ?

Breach window unknown

Mar 26, 2025

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 2024-07-09

sarcoma

According to ransomware.live, Sarcoma is a ransomware group that debuted in October 2024, immediately ranking among the top three most active groups globally and surpassing 116 documented victims by mid-2025, targeting mid-market companies across manufacturing, retail, healthcare, legal, and business services with roughly 50% of victims in the United States.

141 victims claimed globally141 tracked hereFull profile →