Western Alliance Bank security incident history
Hacking, data breaches and other security incidents involving Western Alliance Bank, with related coverage.
Incidents: 1 · Most recent
Western Alliance Bank breach exposes data of 21,889 customers
21.9KImpact: Data of 21,889 customers
A data breach linked to a file transfer software vulnerability affected 21,889 customers of Western Alliance Bank. The incident was linked to the Cleo hack, and the bank notified affected customers of the breach. An investigation for a related lawsuit followed.
Related reports: 6 · last report →