DisclosureLens
GLOBALMalwareProfessional ServicesProfessional ServicesRansomwareCoinbasecartelRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh

Crowe LLP

bd_ea059552408a4967 · schema v1 · pii pii-v2

Severity

High

Discovered

Filed

Aug 19, 2026

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for Crowe LLP5 incidents on file

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Coinbasecartel 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: Professional ServicesDiscovered: 2026-08-19

Source: Ransomware.live

Post text · scraped from the leak site

Crowe is a public accounting, consulting, and technology firm headquartered in the United States. It provides audit, tax, advisory, risk, and performance services to clients across various industries, including financial services, healthcare, and government. Crowe operates globally through its membership in Crowe Global, a network of independent accounting and advisory firms spanning over 140 countries.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Aug 19, 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 2023-05-26

coinbasecartel

According to ransomware.live, CoinbaseCartel specializes in data acquisition through system access and strategic partnerships. It focus exclusively on data exfiltration—our operations never involve system encryption or operational disruption.

206 victims claimed globally206 tracked hereFull profile →