Sumitomo Chemical
Data Breach on November 21, 2025
| Data Breach Report | |||
|---|---|---|---|
| Victim | sumitomo-chem.co.jp | ||
| Claimed By | CL0P | ||
| Date Discovered | Nov 21, 2025 | ||
| Description | Sumitomo Chemical Co., Ltd. is a major chemical company based in Japan, producing petrochemicals, agrochemicals, IT-related chemicals, pharmaceuticals, and functional materials. | ||
| Leak Size | Unknown |
Credential Exposure for sumitomo-chem.co.jp
We've indexed 440 @sumitomo-chem.co.jp accounts from external breaches, plus 1 credentials for sumitomo-chem.co.jp itself.
Last checked Oct 4, 2026
| @sumitomo-chem.co.jp addresses from external breaches | |
|---|---|
| Combo lists | 340 accounts · most recent Sep 27, 2026 |
| Third-party breaches | 272 accounts · across 46 breaches · 264 with a plaintext password · most recent Sep 10, 2024 |
| Passwords for sumitomo-chem.co.jp accounts | |
|---|---|
| Combo lists | 1 logins · most recent Sep 6, 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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