GLOBALMalwareProfessional ServicesProfessional ServicesRansomwareCoinbasecartelRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh
SIG
bd_af578d69afc5249a · schema v1 · pii pii-v1
Full breach record for SIG →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: Business ServicesDiscovered: 2026-04-20
Source: Ransomware.live
Post text · scraped from the leak site
N/A
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/U0lHLmJpekBjb2luYmFzZWNhcnRlbA==
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Apr 20, 2026
- Raw hash
- 385dc11552e649d273c6ff0ee428bde3847ee9bd70bb27df7ffc1f978866e23f
Reporting entity
- Name
- coinbasecartel
Victim entity
- Name
- SIGnorm: sig
- Domain
- sig.biz
- Industry
- Professional Servicesllm
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· coinbasecartel
- Threat actor
- CoinbasecartelExternalFinancial
Compliance
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.