UMass Chan Medical School
Data Breach on July 11, 2023
| Data Breach Report | ||
|---|---|---|
| Victim | umassmed.edu | |
| Threat Actor | CL0P | |
| Date Discovered | Jul 11, 2023 | |
| Description | UMass Chan Medical School was founded in 1962 to provide affordable, high-quality medical education to state residents and to increase the number of primary. | |
| Leak Size | Unknown |
Credential Exposure for umassmed.edu
We've indexed 4,285 @umassmed.edu accounts from external breaches, plus 93 credentials for umassmed.edu itself.
Last checked Aug 16, 2026
| @umassmed.edu addresses from external breaches | |
|---|---|
| Third-party breaches | 4,057 accounts · across 403 breaches · 3,551 with a plaintext password · most recent Feb 26, 2026 |
| Combo lists | 1,846 accounts · most recent Aug 7, 2026 |
| Passwords for umassmed.edu accounts | |
|---|---|
| Combo lists | 76 logins · most recent Aug 15, 2026 |
| Infostealer logs | 26 logins · 13 infected devices · most recent Aug 7, 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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