International School of Management (ISM)
Data Breach on December 20, 2023
| Data Breach Report | ||
|---|---|---|
| Victim | ism.de | |
| Threat Actor | Play | |
| Date Discovered | Dec 20, 2023 | |
| Description | The International School of Management (ISM) is one of the leading private business schools in Germany. | |
| Leak Size | Unknown |
Credential Exposure for ism.de
We've indexed 1,015 @ism.de accounts from external breaches, plus 24 credentials for ism.de itself.
Last checked Aug 16, 2026
| @ism.de addresses from external breaches | |
|---|---|
| Third-party breaches | 922 accounts · across 136 breaches · 683 with a plaintext password · most recent Jan 8, 2026 |
| Combo lists | 307 accounts · most recent Aug 15, 2026 |
| Passwords for ism.de accounts | |
|---|---|
| Combo lists | 14 logins · most recent Jul 27, 2026 |
| Infostealer logs | 11 logins · 8 infected devices · most recent Aug 2, 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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International School of Management (ISM) was breached. Check if your company's credentials have been exposed in this or other data breaches.
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