Nippon Medical School
Data Breach on March 30, 2026
| Data Breach Report | |||
|---|---|---|---|
| Victim | nms.ac.jp | ||
| Claimed By | NetRunner | ||
| Date Discovered | Mar 30, 2026 | ||
| Description | Nippon Medical School is an educational and research institution based in Japan, specializing in scientific research, public education, and exhibitions in natural sciences and technology. | ||
| Leak Size | Unknown |
Credential Exposure for nms.ac.jp
We've indexed 1,419 @nms.ac.jp accounts from external breaches, plus 27 credentials for nms.ac.jp itself.
Last checked Sep 20, 2026
| @nms.ac.jp addresses from external breaches | |
|---|---|
| Third-party breaches | 1,340 accounts · across 197 breaches · 1,220 with a plaintext password · most recent Feb 26, 2025 |
| Combo lists | 670 accounts · most recent Sep 18, 2026 |
| Passwords for nms.ac.jp accounts | |
|---|---|
| Combo lists | 26 logins · most recent Sep 11, 2026 |
| Infostealer logs | 2 logins · 1 infected devices · most recent Jan 11, 2024 |
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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