Columbia University
bd_a0e855fe568fe7c6 · schema v1 · pii pii-v1
Full breach record for Columbia University →Columbia University based in New York, New York, a educational institution entity reported a data breach to the Texas Attorney General. The breach was discovered on 2025-07-08 and reported on 2026-05-20. 161,544 Texas residents were affected. 3,067,242 individuals affected in total. Types of information involved: Name of individual;Address;Social Security Number Information;Driver’s License number;Government-issued ID number (e.g. passport, state ID card);Financial Information (e.g. account number, credit or debit card number);Health Insurance Information;Other;Date of Birth. Consumers were notified via U.S. Mail.
Source provenance
- Source URL
- https://oag.my.site.com/datasecuritybreachreport/apex/DataSecurityReportsPage#BR-0005050
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- May 20, 2026
- Raw hash
- 5ae60726a9c567b1a0e1a4a482d855685dab721c484bee67f23cf453948ab059
Reporting entity
- Name
- Columbia Universitynorm: columbia university
Victim entity
- Name
- Columbia Universitynorm: columbia university
- Industry
- Otherllm
Incident
- Discovered
- Jul 8, 2025
- Materiality determined
- —
- Notification sent
- —
- Affected individuals
- 161,544
- Data types
- IDENTITY_GOVERNMENTPHIPII
- Attack vector
- Unknown
- Threat actor
- External
Compliance
- Time to disclose
- 45 weeks(316 days from discovery to filing)
- Compliance flags
- TX AG >30d
- Discovery-date grounding
- AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.