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Marlborough Partners
marlboroughpartners.comMarlborough Partners was listed on the Anubis and Coinbase Cartel and INC Ransom leak site on Aug 25, 2025. Brandefense has recorded 3 separate claims against it. Information as of Oct 19, 2026.
Country: United KingdomIndustry: Financial Services, Consulting
Updated continuously · figures as of Oct 19, 2026- Claimed by
- Anubis, Coinbase Cartel, INC Ransom
- First listed
- Aug 25, 2025
- Claims recorded
- 3
3 Leak-Site Claims.
AnubisConfirmed claim
- Posted on the leak site
- Sep 2, 2026
- Collected by Brandefense
- Sep 2, 2026
- Data claimed
- Not stated
Major data breach at a capital solutions advisory firm.
Coinbase CartelConfirmed claim
- Posted on the leak site
- Aug 25, 2025
- Collected by Brandefense
- Apr 8, 2026
- Data claimed
- Not stated
Posted again 1 time by the same group
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.
INC RansomConfirmed claim
- Posted on the leak site
- Aug 25, 2025
- Collected by Brandefense
- Aug 26, 2025
- Data claimed
- 2 TB
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Other Victims Of The Same Group.
| Victim | Claimed by | Country | Industry | Data claimed | Posted |
|---|---|---|---|---|---|
| Mynd mynd.com | Anubis | USUnited States | Healthcare | Not stated | |
| Leadec leadec-services.com | Anubis | DEGermany | Manufacturing | 2.1 TB | |
| Gaedke & Partner Steuerberatung gaedke-partner.de | Anubis | USUnited States | Legal Services | Not stated | |
| Summa Gold telrad.com | Anubis | ILIsrael | Manufacturing | Not stated | |
| Quest Group qgsearch.com | Anubis | USUnited States | Consulting | Not stated | |
| Better Accounting Solutions betteraccountingsolutions.com | Anubis | Unknown | Unknown | Not stated |
Other Victims In The Same Industry.
| Victim | Claimed by | Country | Industry | Data claimed | Posted |
|---|---|---|---|---|---|
| Merit Financial Group meritfinancialadvisors.com | Storm | USUnited States | Financial Services | Not stated | |
| Finzly Corp finzly.com | N0n | USUnited States | Financial Services | Not stated | |
| ********rta.ch rta.ch | Cloak | CHSwitzerland | Financial Services | Not stated | |
| SQA Services Inc sqaservices.com | N0n | USUnited States | Consulting | Not stated | |
| Caretaker Landscape and Tree Management caretakerlandscape.com | Pear | USUnited States | Consulting | 544 GB | |
| Globeia Inc. globeia.com | The-seven-deadly-sins | USUnited States | Consulting | Not stated |
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