William S. Hein
Data Breach on May 22, 2024
| Data Breach Report | |||
|---|---|---|---|
| Victim | heinonline.org | ||
| Claimed By | INC_RANSOM | ||
| Date Discovered | May 22, 2024 | ||
| Description | William S. Hein & Co., Inc. is a leading, family-run publishing company that has been serving the worldwide library community since the 1920s. | ||
| Leak Size | 500GB |
Credential Exposure for heinonline.org
We've indexed 18 @heinonline.org accounts from external breaches, plus 305 credentials for heinonline.org itself.
Last checked Oct 4, 2026
| @heinonline.org addresses from external breaches | |
|---|---|
| Combo lists | 18 accounts · most recent Sep 24, 2026 |
| Passwords for heinonline.org accounts | |
|---|---|
| Combo lists | 251 logins · most recent Oct 2, 2026 |
| Infostealer logs | 114 logins · 133 infected devices · most recent Sep 30, 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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