Marlborough Partners
bd_14ec82de7d63ea42 · schema v1 · pii pii-v1
Full breach record for Marlborough Partners →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.
Source: Ransomware.live
Post text · scraped from the leak site
Marlborough Partners is a UK-based boutique investment banking and advisory firm specializing in mergers and acquisitions, private equity, and corporate finance advisory services. The firm primarily serves mid-market companies across Europe, providing strategic financial advice, fundraising support, and transaction execution. It operates within the financial services and investment banking industry, headquartered in London, United Kingdom.
Source provenance
- Source URL
- https://www.ransomware.live/
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Aug 25, 2025
- Raw hash
- 32fe8c07edcf50ff48cddd568a66983d86722bf9f022df29a80385e61e737e5b
Reporting entity
- Name
- coinbasecartel
Victim entity
- Name
- Marlborough Partnersnorm: marlborough partners
- Domain
- marlboroughpartners.com
- Industry
- Professional Services
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.