Harvard University
Data Breach on October 13, 2025
| Data Breach Report | |||
|---|---|---|---|
| Victim | harvard.edu | ||
| Claimed By | CL0P | ||
| Date Discovered | Oct 13, 2025 | ||
| Description | Harvard University is a private Ivy League research university based in USA (Massachusetts), offering undergraduate, graduate, and professional education programs. | ||
| Leak Size | Unknown |
Credential Exposure for harvard.edu
We've indexed 95,291 @harvard.edu accounts from external breaches, plus 15,198 credentials for harvard.edu itself.
Last checked Aug 23, 2026
| @harvard.edu addresses from external breaches | |
|---|---|
| Third-party breaches | 92,679 accounts · across 2636 breaches · 79,606 with a plaintext password · most recent Apr 19, 2026 |
| Combo lists | 30,437 accounts · most recent Aug 22, 2026 |
| Passwords for harvard.edu accounts | |
|---|---|
| Combo lists | 10,145 logins · most recent Aug 23, 2026 |
| Infostealer logs | 6,087 logins · 4,478 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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