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Latest / Oregon / August 2025

Columbia University

Columbia University notified Oregon DOJ on Aug 7, 2025 of a data breach affecting 868,969 individuals, which occurred between May 16, 2025 and Jun 24, 2025.

All 3 filings by Columbia University, state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
Columbia University
Source
Oregon DOJ · source record
Date reported
Aug 7, 2025
Date(s) of breach
5/16/2025 - 6/24/2025
Residents affected
868,969 (individuals)
Data exposed
Not stated in the source listing
Notice letter
Not available
Days to notice
44 days from the end of the breach window (Jun 24, 2025, no discovery date in the letter) to the Oregon record (Aug 7, 2025). Statute: 45 days from discovery or notification of the breach (ORS 646A.604).
First seen by BreachTally
2026-11-04 16:40 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

First seen by BreachTally at 16:40 UTC on Nov 4, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the count, the data exposed and the letter. Start a 14-day free trial. We email you two days before the first charge and you cancel in one click.
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Other filings by Columbia University

OrganizationSourceStateReportedResidents affectedData exposed
Columbia University Texas AG TX May 20, 2026 161,544 Social Security numberDriver's license / state IDPassport numberFinancial / bank account+4
Columbia University California AG CA Aug 7, 2025 Not published Social Security numberFinancial / bank accountMedical / health informationDate of birth+1

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.