Nostrum Corporation
Data Breach on April 28, 2026
| Data Breach Report | |||
|---|---|---|---|
| Victim | nostrum.co.jp | ||
| Claimed By | TheGentlemen | ||
| Date Discovered | Apr 28, 2026 | ||
| Description | Nostrum Corporation is a software development company based in Japan that provides mobile application development, web systems development, and website construction services. | ||
| Leak Size | Unknown |
Credential Exposure for nostrum.co.jp
We've indexed 16 @nostrum.co.jp accounts from external breaches.
Last checked Sep 6, 2026
| @nostrum.co.jp addresses from external breaches | |
|---|---|
| Third-party breaches | 12 accounts · across 13 breaches · 10 with a plaintext password · most recent Jan 1, 2020 |
| Combo lists | 6 accounts · most recent Jul 30, 2026 |
None of this is necessarily connected to the ransomware attack above.
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