Heinrich KUPER
Data Breach on May 11, 2026
| Data Breach Report | |||
|---|---|---|---|
| Victim | kuper.de | ||
| Claimed By | TheGentlemen | ||
| Date Discovered | May 11, 2026 | ||
| Description | Heinrich KUPER is an international machine manufacturer and process consulting company based in Germany, specializing in veneer processing, solid wood manufacturing, and advanced packaging solutions. | ||
| Leak Size | Unknown |
Credential Exposure for kuper.de
We've indexed 38 @kuper.de accounts from external breaches, plus 3 credentials for kuper.de itself.
Last checked Sep 20, 2026
| @kuper.de addresses from external breaches | |
|---|---|
| Combo lists | 24 accounts · most recent Sep 6, 2026 |
| Third-party breaches | 22 accounts · across 23 breaches · 16 with a plaintext password · most recent Feb 8, 2021 |
| Passwords for kuper.de accounts | |
|---|---|
| Combo lists | 3 logins · most recent Sep 11, 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?
Heinrich KUPER 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.