Columbia University

Columbia University

Data Breach on August 17, 2026
Data Breach Report
Victimcolumbia.edu
Threat ActorGlobalSecretGroup
Date DiscoveredAug 17, 2026
DescriptionColumbia University is a private Ivy League research university based in the USA (New York), providing higher education, research, and academic programs as a nonprofit institution.
Leak Size296GB

Credential Exposure for columbia.edu

We've indexed 101,489 @columbia.edu accounts from external breaches, plus 5,661 credentials for columbia.edu itself.

Last checked Aug 17, 2026

@columbia.edu addresses from external breaches
Third-party breaches96,320 accounts · across 2763 breaches · 84,510 with a plaintext password · most recent Apr 19, 2026
Combo lists40,667 accounts · most recent Aug 17, 2026
Passwords for columbia.edu accounts
Combo lists4,308 logins · most recent Aug 17, 2026
Infostealer logs1,765 logins · 1,289 infected devices · most recent Aug 8, 2026

Logins may belong to customers or to staff, and the data doesn't say which. None of this is necessarily connected to the ransomware attack above.

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