Mayo Clinic
Data Breach on February 05, 2026
| Data Breach Report | |||
|---|---|---|---|
| Victim | mayoclinic.org | ||
| Claimed By | 0APT | ||
| Date Discovered | Feb 05, 2026 | ||
| Description | Mayo Clinic is a non-profit academic medical center based in the USA (Minnesota), known for world‑class patient care, research, education and specialty medicine. | ||
| Leak Size | 5TB |
Credential Exposure for mayoclinic.org
We've indexed 272 @mayoclinic.org accounts from external breaches, plus 2,964 credentials for mayoclinic.org itself.
Last checked Oct 4, 2026
| @mayoclinic.org addresses from external breaches | |
|---|---|
| Third-party breaches | 230 accounts · across 5 breaches · 197 with a plaintext password · most recent Aug 25, 2024 |
| Phishing pages | 26 accounts · most recent Aug 13, 2026 |
| Combo lists | 16 accounts · most recent Aug 3, 2026 |
| Passwords for mayoclinic.org accounts | |
|---|---|
| Combo lists | 2,378 logins · most recent Oct 4, 2026 |
| Infostealer logs | 921 logins · 615 infected devices · most recent Oct 2, 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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