Marlborough Partners
coinbasecartelThis record tracks a ransomware attack claimed by the coinbasecartel group against Marlborough Partners. It collects the publicly disclosed attack details — sector, location and timeline — as published on the operator's leak site and indexed by Breach House.
Window Zero
EXPOSURE GAPWindow Zero is the time the breach stayed in the open before anyone said so — the gap between when the attack was first discovered on the operator's leak site (t1) and when it was publicly disclosed (t2). The wider this window, the longer victims, staff and customers were exposed with no warning.
Attack Summary
[AI generated] Marlborough Partners is a UK-based independent corporate finance advisory firm specialising in mergers and acquisitions, private equity transactions, and strategic advisory services. The firm primarily works with mid-market companies, providing guidance on buyouts, disposals, fundraising, and growth strategies. It operates within the financial services and investment banking sector, serving clients across Europe and beyond.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.