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Case file

Case File: Western Alliance Bank (WAB) Data Breach

This file collects the dated facts on record for the Western Alliance Bank (WAB) incident. The state report is dated July 1, 2025. The incident itself is dated October 12, 2024.

Timeline

262 days separate the incident date from the date it was reported.

  1. October 12, 2024Incident dateWhen the filing says the breach took place.
  2. July 1, 2025Report filed in TexasDate the notice was lodged with the Texas Attorney General.

Case facts

Filing state
Texas
Date reported
July 1, 2025
Incident date
October 12, 2024
Receiving office
Texas Attorney General

Case notes

Western Alliance Bank, based in Texas, has reported a data breach incident to regulators on July 1, 2025. The breach itself was identified as occurring on October 12, 2024, and the company has stated that an investigation into the matter is currently underway.

Specific details regarding the nature of the breach, such as how it occurred or the exact types of information involved, have not been disclosed in the public filing. The filing broadly indicates that personal information may have been exposed as a result of the incident.

Due to the ongoing investigation, the total number of individuals potentially affected by this breach also remains unspecified. Similarly, a definitive list of the specific categories of data involved has not been made public.

Individuals who believe they may be impacted by this incident should monitor their financial accounts and credit reports for any suspicious or unauthorized activity. It is also advisable to be cautious of unsolicited communications, especially those requesting personal details.

Questions about this case file

Where does the Western Alliance Bank (WAB) case file come from?
Every entry is taken from the breach report Western Alliance Bank (WAB) lodged with the Texas Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?
Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?
It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?
Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

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Filing source: Texas Attorney General