Dartmouth College data breach
Dartmouth College appears in 6 breach notices filed with Texas AG, California AG, Washington AG, Oregon DOJ, Montana DOJ and New Hampshire DOJ, most recently reported on November 25, 2025.
Breach notices filed with regulators
| Reported | Filed with | Breach date(s) | People affected | Data involved | Source |
|---|---|---|---|---|---|
| Nov 25, 2025 | Texas AG | Aug 9, 2025 – Aug 12, 2025 | 1,956 Texas residents | Name of individualSocial Security Number InformationFinancial Information (e.g. account number, credit or debit card number) | Texas AG list ↗ |
| Nov 24, 2025 | California AG | Aug 9, 2025, Aug 12, 2025 | Not listed | Not listed | California AG list ↗ |
| Nov 24, 2025 | Washington AG | Aug 9, 2025 – Aug 12, 2025 | 1,496 Washington residents | Social Security NumberFinancial & Banking InformationFull Date of BirthName | Washington AG list ↗ |
| Nov 24, 2025 | Oregon DOJ | Aug 9, 2025 – Aug 12, 2025 | 98,990 Oregon residents | Not listed | Oregon DOJ list ↗ |
| Nov 24, 2025 | Montana DOJ | Aug 9, 2025 – Aug 12, 2025 | 193 Montana residents | Not listed | Notice ↗ |
| Nov 24, 2025 | New Hampshire DOJ | Not listed | Not listed | Not listed | Notice ↗ |
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 Dartmouth College right now. Settlements usually come months or years after a breach. Follow Dartmouth College 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 Dartmouth College
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