Sincere Corporation
Data Breach on January 21, 2026
| Data Breach Report | |||
|---|---|---|---|
| Victim | sincerehq.com | ||
| Claimed By | TheGentlemen | ||
| Date Discovered | Jan 21, 2026 | ||
| Description | Sincere Corporation is a manufacturing company based in Taiwan providing bicycle components and precision industrial parts. | ||
| Leak Size | Unknown |
Credential Exposure for sincerehq.com
We've indexed 13 @sincerehq.com accounts from external breaches, plus 1 credentials for sincerehq.com itself.
Last checked Aug 31, 2026
| @sincerehq.com addresses from external breaches | |
|---|---|
| Third-party breaches | 12 accounts · across 14 breaches · 12 with a plaintext password · most recent Feb 8, 2021 |
| Combo lists | 6 accounts · most recent Aug 1, 2026 |
| Passwords for sincerehq.com accounts | |
|---|---|
| Combo lists | 1 logins · most recent Aug 1, 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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