WESTERNALLIANCEBANK.COM
clopThis record tracks a ransomware attack claimed by the clop group against WESTERNALLIANCEBANK.COM. 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] Western Alliance Bancorporation is a leading bank holding company in the US offering retail, commercial, and real estate banking services. Established in 1995, it operates through various divisions and subsidiaries across the nation. Western Alliance Bank provides lending, deposit, treasury management, and online banking solutions to consumers, small to larger businesses, and professional communities.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.