
Yooshin Engineering
Data Breach on September 29, 2025
| Data Breach Report | |||
|---|---|---|---|
| Victim | yooshin.com | ||
| Claimed By | 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 25 @yooshin.com accounts from external breaches, plus 41 credentials for yooshin.com itself.
Last checked Oct 4, 2026
| @yooshin.com addresses from external breaches | |
|---|---|
| Combo lists | 19 accounts · most recent Sep 18, 2026 |
| Third-party breaches | 9 accounts · across 20 breaches · 8 with a plaintext password · most recent Nov 15, 2020 |
| Phishing pages | 1 accounts · most recent May 13, 2026 |
| Passwords for yooshin.com accounts | |
|---|---|
| Combo lists | 38 logins · most recent Oct 3, 2026 |
| Infostealer logs | 12 logins · 6 infected devices · most recent Sep 4, 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.
Is your organization next?
Yooshin Engineering 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.