DisclosureLens
UnknownFinanceMedium

Western Alliance Bank

bd_aa0c3c3710d65700 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Jun 30, 2025

To disclose

—

Affected

78,338

Linked

12 records

Confidence

95%
Full breach record for Western Alliance Bank →

Western Alliance Bank ("WAB") reported a data breach to the Oregon Attorney General. The breach was reported on 2025-06-30. The breach occurred during 10/12/2024 - 10/24/2024. The breach was discovered on 1/27/20256/3/2025. 78,338 individuals were affected. Notice was sent on 3/14/20256/30/2025.

Leak gap clock⏱ Leak >90d
⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline

Oct 12, 2024

Begins

Jun 30, 2025

Filed

This filing is one of 12 records about the same incident.View merged incident
A leak claim by cl0p about this victim was first seen 157 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Show 6 more filings ↓up to 108d gap

Showing first 10 of 11 linked disclosures.

Filing propagation · 11 filings · 10 states

View merged incident ↗
California State AGMar 14 · first
Nebraska State AGMar 14 · first
Maryland State AGMar 14 · first
Montana State AGMar 14 · first
Massachusetts State AGMar 14 · first
Maine State AGMar 14 · first
New Hampshire State AGMar 14 · first
Washington State AG+108d
New Hampshire State AG+108d
Oregon State AG+108d · this page
Texas State AG+109d

Pattern: first filing Mar 14 (CA), last Jul 1 (TX) — a 109-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 11 — the full spread may be wider.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.