Yooshin Engineering
Data Breach on September 29, 2025
| Data Breach Report | |||
|---|---|---|---|
| Victim | yooshin.com | ||
| Threat Actor | Qilin | ||
| Date Discovered | Sep 29, 2025 | ||
| Description | Yooshin Engineering & Construction is a civil engineering and construction company based in South Korea, providing design and infrastructure services. | ||
| Leak Size | Unknown |
Credential Exposure for yooshin.com
We've indexed 24 @yooshin.com accounts from external breaches, plus 38 credentials for yooshin.com itself.
Last checked Aug 16, 2026
| @yooshin.com addresses from external breaches | |
|---|---|
| Combo lists | 19 accounts · most recent Aug 7, 2026 |
| Third-party breaches | 9 accounts · across 20 breaches · 8 with a plaintext password · most recent Nov 15, 2020 |
| Passwords for yooshin.com accounts | |
|---|---|
| Combo lists | 35 logins · most recent Aug 4, 2026 |
| Infostealer logs | 12 logins · 6 infected devices · most recent Jun 27, 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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