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Data Breach Notifications
Entity Information
- Type of Organization: Education
- Entity Name: Columbia University
- Street Address: 412 Low Memorial Library
- City: New York
- State, or Country if outside the US: NY
- Zip Code: 10027
Submitted By
- Name: H Jacqueline Brehmer
- Title: Associate
- Firm name (if different than entity): Debevoise & Plimpton LLP
- Telephone Number: (415) 738-5703
- Email Address: hjbrehmer@debevoise.com
- Relationship to entity whose information was compromised: Outside Counsel
Breach Information
- Total number of persons affected (including residents): 868969
- Total number of Maine residents affected: 2026
- If the number of Maine residents exceeds 1,000, have the consumer reporting agencies been notified:
- Date(s) Breach Occured: May 16, 2025 to 06
- Date Breach Discovered: July 08, 2025
- Description of the Breach:
- External system breach (hacking)
- Information Acquired - Name or other personal identifier in combination with:
Notification and Protection Services
- Type of Notification: Written
- Date(s) of consumer notification: August 07, 2025
- Copy of notice to affected Maine residents: Individual_Notification_Letter_Template.pdf
- Date of any previous (within 12 months) breach notifications:
- Were identity theft protection services offered: Yes
- If yes, please provide the duration, the provider of the service and a brief description of the service: Columbia will be providing affected individuals with 24 months of complimentary credit monitoring and identity theft protection services through Kroll, LLC.