
Omiya Kasei
Data Breach on October 18, 2022
| Data Breach Report | ||
|---|---|---|
| Victim | oomiya.co.jp | |
| Threat Actor | LockBit | |
| Date Discovered | Oct 18, 2022 | |
| Description | Omiya Kasei Co., Ltd. Omiya Kasei responds to the changing needs of the times and contributes to the development of industry. | |
| Leak Size | N/A |
Credential Exposure for oomiya.co.jp
We've indexed 26 @oomiya.co.jp accounts from external breaches.
Last checked Aug 16, 2026
| @oomiya.co.jp addresses from external breaches | |
|---|---|
| Third-party breaches | 23 accounts · across 12 breaches · 22 with a plaintext password · most recent Nov 15, 2020 |
| Combo lists | 15 accounts · most recent May 8, 2026 |
None of this is necessarily connected to the ransomware attack above.
Is your organization next?
Omiya Kasei 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.