Johns Hopkins University
Data Breach on July 11, 2023
| Data Breach Report | ||
|---|---|---|
| Victim | jhu.edu | |
| Threat Actor | CL0P | |
| Date Discovered | Jul 11, 2023 | |
| Description | Johns Hopkins University is a research university that enrolls full and part-time students throughout nine academic divisions. | |
| Leak Size | Unknown |
Credential Exposure for jhu.edu
We've indexed 28,724 @jhu.edu accounts from external breaches, plus 4,865 credentials for jhu.edu itself.
Last checked Aug 16, 2026
| @jhu.edu addresses from external breaches | |
|---|---|
| Third-party breaches | 26,923 accounts · across 1419 breaches · 22,974 with a plaintext password · most recent Mar 8, 2026 |
| Combo lists | 11,124 accounts · most recent Aug 15, 2026 |
| Passwords for jhu.edu accounts | |
|---|---|
| Combo lists | 3,955 logins · most recent Aug 15, 2026 |
| Infostealer logs | 1,547 logins · 1,220 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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