UnknownMedium

Columbia University

bd_44bbed6c166a9c6d · schema v1 · pii pii-v1

Full breach record for Columbia University →

Columbia University reported a data breach to the Indiana Attorney General. The breach occurred on 2025-05-16 and was reported on 2025-08-07. 4,078 Indiana residents were affected. 868,969 individuals affected in total.

This filing is one of 11 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

bd_07533b0c85ac791cMaine State AGfiled 2025-08-07Candidate
bd_2c8504262b9c10ebWashington State AGfiled 2025-08-07Verified
bd_82648491a36c0afcDelaware State AGfiled 2025-08-07Verified
bd_88b5b3d68c5a023aMontana State AGfiled 2025-08-07Verified

Show 6 more filings ↓up to 5d gap

bd_9b1ee72034df1e55Vermont State AGfiled 2025-08-07Verified
bd_d1103ca10d166462California State AGfiled 2025-08-07Verified
bd_d5052bb9304189edSouth Carolina State AGfiled 2025-08-07Verified
bd_f8f32a88711240f8Oregon State AGfiled 2025-08-07Verified
bd_2337be0c0546ca35Iowa State AGfiled 2025-08-08(1d gap)Verified
bd_1de0d58aeabac377New Hampshire State AGfiled 2025-08-12(5d gap)Verified

Source provenance

Source URL: https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/security-breaches/
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 7, 2025
Raw hash: e2c549564f36c9bbeb7e973742df1846531251bbed411efcc853ad1ed5f4bf2f

Reporting entity

Name: Columbia University
norm: columbia university

Victim entity

Name: Columbia University
norm: columbia university

Incident

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 4,078
Data types: —
Attack vector: Unknown
Threat actor: External

Compliance

Time to disclose: 12 weeks(83 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Extraction provenance

Status: No extraction artifact recorded for this disclosure.