Quercus
Data Breach on October 21, 2022
| Data Breach Report | ||
|---|---|---|
| Victim | quercus.pl | |
| Threat Actor | Cuba | |
| Date Discovered | Oct 21, 2022 | |
| Description | Quercus has been successfully implementing, developing and supporting SAP IT systems in large and small enterprises around the world for 15 years | |
| Leak Size | N/A |
Credential Exposure for quercus.pl
We've indexed 10 @quercus.pl accounts from external breaches, plus 2 credentials for quercus.pl itself.
Last checked Aug 16, 2026
| @quercus.pl addresses from external breaches | |
|---|---|
| Third-party breaches | 10 accounts · across 13 breaches · 10 with a plaintext password · most recent Feb 8, 2021 |
| Combo lists | 2 accounts · most recent Nov 25, 2025 |
| Passwords for quercus.pl accounts | |
|---|---|
| Combo lists | 2 logins · most recent Jun 17, 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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