Kou
Data breach claim reported February 28, 2023
| Data Breach Report | ||
|---|---|---|
| Victim | hyosung.jp | |
| Claimed By | LockBit | |
| Date Discovered | Feb 28, 2023 | |
| Description | Kou Co. Ltd. is a web agency that offers low-priced website production and system development. | |
| Leak Size | Unknown |
Breach claims on this page are published by threat actors and haven't been verified by Breachsense.
Credential Exposure for hyosung.jp
We've indexed 3 @hyosung.jp accounts from external breaches.
Last checked Nov 8, 2026
| @hyosung.jp addresses from external breaches | |
|---|---|
| Third-party breaches | 3 accounts · across 6 breaches · 3 with a plaintext password · most recent Jan 1, 2019 |
| Combo lists | 1 accounts · most recent Jul 22, 2026 |
None of this is necessarily connected to the ransomware attack above.
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