HackingStolen CredentialsCapture Stored DataData ExfiltratedTargetedIDENTITY_BASICIDENTITY_GOVERNMENTFINANCIALHEALTH_BASICHighContained
Columbia University
bd_9b1ee72034df1e55 · schema v1 · pii pii-v1
Full breach record for Columbia University →Columbia University disclosed a cyber incident where an unauthorized third party accessed its network on or about May 16, 2025, and exfiltrated files. The breach affected names, dates of birth, Social Security numbers, and academic/financial data. The university reported the incident to law enforcement and offered two years of credit monitoring. Approximately 2,510 Rhode Island residents were identified as impacted.
Vermont clock⏱ VT AG >14 bday6 weeks discovery → filing
⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
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_44bbed6c166a9c6dIndiana State AGfiled 2025-08-07Verified
- bd_82648491a36c0afcDelaware State AGfiled 2025-08-07Verified
Show 6 more filings ↓Show fewer ↑up to 5d gap
- bd_88b5b3d68c5a023aMontana 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://ago.vermont.gov/document/2025-08-07-columbia-university-data-breach-notice-consumers
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
- b5e02feafb98cdccfebcddf3c0ba7c9a59226ac95d3672a6135dfefba2060563
Reporting entity
- Name
- Columbia Universitynorm: columbia university
Victim entity
- Name
- Columbia Universitynorm: columbia university
Incident
- Discovered
- Jun 24, 2025
- Materiality determined
- —
- Notification sent
- Aug 7, 2025
- Affected individuals
- 2,510
- Data types
- IDENTITY_BASICIDENTITY_GOVERNMENTFINANCIALHEALTH_BASIC
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
- Threat actor
- External
- Regulator citations
- Reported the incident to law enforcement
- Initial access
- valid_credentials
Compliance
- Time to disclose
- 6 weeks(44 days from discovery to filing)
- Compliance flags
- VT AG >14 bday
- Discovery-date grounding
- unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.