
Heinrich KUPER
Data breach claim reported 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 |
Breach claims on this page are published by threat actors and haven't been verified by Breachsense.
Credential Exposure for kuper.de
We've indexed 38 @kuper.de accounts from external breaches, plus 4 credentials for kuper.de itself.
Last checked Nov 1, 2026
| @kuper.de addresses from external breaches | |
|---|---|
| Combo lists | 24 accounts · most recent Oct 30, 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 | 4 logins · most recent Oct 26, 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?
Check if your company's credentials have been exposed in this or other data breaches.
Continuous dark web monitoring alerts you when we find leaked credentials or session tokens for your company.