Class action filed over Columbia University sensitive data leak
A class action lawsuit was filed after sensitive information was leaked at Columbia University. The lawsuit alleges that the university failed to adequately protect sensitive information.
Key facts
- Affected organization
- Columbia University
- Incident type
- Data breach
- Occurred / detected
- Not confirmed
- Scale of damage
- Leak of sensitive information
- Cause / method
- Not confirmed
- Location
- United States
If your data was exposed
- Don’t tap links in texts, calls or emails that mention this incident and offer compensation, refunds or breach checks. Check directly on the organization’s official website or app.
Timeline
- A class action lawsuit was filed holding Columbia University responsible for data protection over the leak of sensitive information.
1 related reports
Other incidents at Columbia University
Columbia University affected by Instructure data breach
↳ Knock-on damage from the Instructure incident · View original incidentColumbia University was affected by the Instructure data breach. Columbia University issued a statement on the incident on May 6, 2026.
Related reports: 2 · last report →Columbia University hack exposes personal data of about 3.1 million people
3.1MImpact: Personal information of about 3.1 million people
A cyberattack on Columbia University in June 2025 disrupted IT services and exposed personal information. The number of people affected rose from an initial estimate of about 870,000 to about 3.1 million, and the exposed information included Social Security numbers, financial account details, academic records, and medical information. The university agreed to pay $16.1 million to settle related litigation, and an investigation in October 2026 found no evidence that the stolen information had been sold or distributed on the dark web.
Related reports: 32 · last report →
The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organization’s official statements for accurate details.