Medical College of Wisconsin
Data Breach on July 27, 2023
| Data Breach Report | ||
|---|---|---|
| Victim | mcw.edu | |
| Threat Actor | CL0P | |
| Date Discovered | Jul 27, 2023 | |
| Description | Medical College of Wisconsin is a school in Milwaukee. | |
| Leak Size | Unknown |
Credential Exposure for mcw.edu
We've indexed 6,021 @mcw.edu accounts from external breaches, plus 149 credentials for mcw.edu itself.
Last checked Aug 16, 2026
| @mcw.edu addresses from external breaches | |
|---|---|
| Third-party breaches | 5,849 accounts · across 460 breaches · 4,290 with a plaintext password · most recent Jan 31, 2026 |
| Combo lists | 2,003 accounts · most recent Aug 15, 2026 |
| Passwords for mcw.edu accounts | |
|---|---|
| Combo lists | 138 logins · most recent Aug 7, 2026 |
| Infostealer logs | 28 logins · 20 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.
Is your organization next?
Medical College of Wisconsin was breached. Check if your company's credentials have been exposed in this or other data breaches.
Check your exposure →Continuous dark web monitoring alerts you when we find leaked credentials or session tokens for your company.