Columbia Bank data breach
Columbia Bank reported a data breach to the California Attorney General in 2026, affecting an undisclosed number of individuals.
| Organization | Columbia Bank |
| Reporting authority | CA DOJ |
| State | CA |
| Individuals affected | Not disclosed |
| Date reported | 2026-04-17 |
| Type of breach | Not specified |
| Status | Reported |
Breach date(s): 10/02/2025, 12/22/2025
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