Deloitte UK
BrainCipherThis record tracks a ransomware attack claimed by the BrainCipher group against Deloitte UK. 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] Deloitte UK is a leading professional services firm, part of the global Deloitte network. It offers audit, consulting, financial advisory, risk management, and tax services across various industries. Known for its expertise and innovation, Deloitte UK helps clients solve complex business challenges. It emphasizes diversity, inclusion, and sustainability in its operations and corporate culture.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.