Columbia Bank data breach
Columbia Bank appears in 2 breach notices filed with California AG and Washington AG, most recently reported on April 17, 2026.
Breach notices filed with regulators
| Reported | Filed with | Breach date(s) | People affected | Data involved | Source |
|---|---|---|---|---|---|
| Apr 17, 2026 | California AG | Oct 2, 2025, Dec 22, 2025 | Not listed | Not listed | California AG list ↗ |
| Apr 17, 2026 | Washington AG | Oct 2, 2025 – Dec 22, 2025 | 1,607 Washington residents | Financial & Banking InformationFull Date of BirthUsername and Password/Security Question AnswersNameSocial Security NumberDriver's License or Washington ID Card Number | Washington AG list ↗ |
Each row is a notice as published by the agency. For state lists, the number affected counts only that state's residents; HHS lists the total reported. SEC rows are Form 8-K Item 1.05 filings, which usually don't give a count. A notice does not mean a settlement exists, and a settlement may cover a different incident than a given notice.
Is there a settlement?
We don't track an open class-action settlement for Columbia Bank right now. Settlements usually come months or years after a breach. Follow Columbia Bank and we'll email you if one opens.
What you can do now
- Read the notice letter if you got one. It says what data was involved and may offer free credit monitoring with an enrollment deadline.
- Consider a free credit freeze at Equifax, Experian and TransUnion, especially if your Social Security number was involved.
- Change reused passwords and turn on two-factor authentication.
- Watch your bank, card and insurance statements for activity you don't recognize.
Follow Columbia Bank
Get an email when Columbia Bank has an open settlement: when one is announced, a weekly reminder with the deadline and days left, and a heads-up if the deadline moves. Nothing about other companies unless you ask for it.
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