GMJ & Co, Chartered Accountants
bianlianThis record tracks a ransomware attack claimed by the bianlian group against GMJ & Co, Chartered Accountants. 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
GMJ & Co, Chartered Accountants, was established in 1986. Over the years, the Firm has grown to a mid-sized single-window setup having 14 Partners and a team of about 250 persons. The Firm's different verticals are headed by Senior Partners. Team GMJ consists of qualified, semi-qualified and others, who are technically competent, well trained, strongly motivated and have in-depth knowledge and rich experience.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.