UnknownOtherFinancial accountHealth (basic)Government IDMedium

Columbia University

bd_a89e875c90c12641 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Jul 8, 2025

Filed

Aug 1, 2025

To disclose

—

Affected

Withheld by the regulator

Linked

15 filings

Confidence

95%

Full breach record for Columbia University →7 incidents on file

COLUMBIA UNIVERSITY filed a data-breach notice with the Illinois Attorney General in August 2025 (case 25-08-353). The register records the breach as discovered on July 8, 2025. Personal information types reported: drivers license, financial account number, medical information, ssn. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.

J jump to incidentP pin to compareR raw source

Incident timeline

Jul 8, 2025

Discovered

Aug 1, 2025

Filed

This filing is one of 15 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Maine State AGbd_07533b0c85ac791c2025-08-07 · +6dCandidate
Massachusetts State AGbd_0e780a9cd65865c92025-08-07 · +6dVerified
Washington State AGbd_2c8504262b9c10eb2025-08-07 · +6dVerified
Indiana State AGbd_44bbed6c166a9c6d2025-08-07 · +6dVerified

Show 6 more filings ↓up to 25d gap

Nebraska State AGbd_4af6126d602d67a62025-08-07 · +6dVerified
Delaware State AGbd_82648491a36c0afc2025-08-07 · +6dVerified
Montana State AGbd_88b5b3d68c5a023a2025-08-07 · +6dVerified
Iowa State AGbd_2337be0c0546ca352025-08-08 · +7dVerified
New Hampshire State AGbd_1de0d58aeabac3772025-08-12 · +11dVerified
Rhode Island State AGbd_d3027779956216f92025-08-26 · +25dVerified

Showing first 10 of 14 linked disclosures.

Name: Columbia University
norm: columbia university

Name: Columbia University
norm: columbia university
Industry: Otherllm

Discovered: Jul 8, 2025
Materiality determined: —
Notification sent: —
Affected individuals: Withheld by the regulator
Data types: Financial accountHealth (basic)Government ID
Data elements: Driver's licence numberFinancial account numberMedical informationSocial Security number
Attack vector: Unknown

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 11 states

View merged incident ↗

Illinois State AGAug 1 · first · this page

Maine State AG+6d

Massachusetts State AG+6d

Washington State AG+6d

New Hampshire State AG+11d

Rhode Island State AG+25d

Pattern: first filing Aug 1 (IL), last Aug 26 (RI) — a 25-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 14 — the full spread may be wider.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://databreachnoticetoattorneygeneral.illinoisattorneygeneral.gov/
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 1, 2025
Raw hash: cfae8dece64ffa93840a33a4f34af95ea2eaaeb34bc820541410d4e2828df474

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityColumbia University

Victim entityColumbia University

Incidentdiscovered Jul 8, 2025

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedatabreachnoticetoattorneygeneral.illinoisattorneygeneral.gov