Columbia University: data breach filings, state by state
Columbia University has 3 data breach filings on record in 3 government portals. The latest was reported to Texas AG on May 20, 2026, with 161,544 Texas residents. Data exposed, as filed: Social Security number, Driver's license / state ID, Passport number, Financial / bank account, Health insurance, Date of birth, Postal address, Medical / health information.
By portal
| Portal | Filings | Latest report | People in the latest filing |
|---|---|---|---|
| Texas AG | 1 | May 20, 2026 | 161,544 Texas residents |
| Oregon DOJ | 1 | Aug 7, 2025 | 868,969 in total |
| California AG | 1 | Aug 7, 2025 | Not published |
Counts are the organization's own, as filed with each agency. Most state portals count their own residents only, so no single state shows the whole incident. An organization can file more than once for the same incident, and for different ones.
Every filing
| Organization | State | Reported | Residents affected |
|---|---|---|---|
| Columbia University | TX | May 20, 2026 | 161,544 |
| Columbia University | OR | Aug 7, 2025 | 868,969 |
| Columbia University | CA | Aug 7, 2025 | Not published |
Data reproduced from public government filings. Each row opens the record with the agency link. Spot an error? Email support@breachtally.com with the page link. Corrections are applied and noted.