Marlborough Partners, a UK-based boutique investment banking and advisory firm, reports a ransomware claim attributed to the threat actor coinbasecartel. The claim notes encrypted systems and potential data exposure affecting the firm’s mid-market M&A and financial advisory operations across Europe.
#UnitedKingdom
#UnitedKingdom
Incident Details
- Victim: Marlborough Partners
- Sector: Financial Services
- Country:
- Actor: coinbasecartel
- Source: http://fjg4zi4opkxkvdz7mvwp7h6goe4tcby3hhkrz43pht4j3vakhy75znyd.onion/companies/marl
- Discovered: 2026-04-08 18:57:38.516728
- Published: 2025-08-25 16:59:00.000000
Information
- Marlborough Partners is a boutique investment banking and advisory firm based in the United Kingdom.
- Specialises in mergers and acquisitions, capital raising, and strategic financial advisory services.
- Primarily serves mid-market companies.
- Operates within the financial services industry.
- Works with clients across Europe and internationally.
- Provides independent counsel on complex transactions and corporate finance matters.
Disclaimer: This post is based on public claims made by the ransomware group "coinbasecartel". I cannot confirm the accuracy of the information. However, I would be happy to share any official statement from the affected organization to provide clarification.