DisclosureLens
UnknownFinancial ServicesFinanceGovernment IDFinancial accountMedium

Western Alliance Bank

bd_50441007ebdd801d · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Mar 14, 2025

To disclose

—

Affected

410state residents only

Linked

12 records

Confidence

95%
Full breach record for Western Alliance Bank →

Western Alliance Bank (“WAB”) reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-03-14. 410 Massachusetts residents were affected.

Leak gap clock⏱ Leak >30d
⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Mar 14, 2025

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

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 49 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 109d 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
Maine State AGMar 14 · first
New Hampshire State AGMar 14 · first
Massachusetts State AGMar 14 · first · this page

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.