
Washington International School
Data Breach on February 11, 2026
| Data Breach Report | |||
|---|---|---|---|
| Victim | wis.edu | ||
| Threat Actor | LeakNet | ||
| Date Discovered | Feb 11, 2026 | ||
| Description | Washington International School is a private international school based in the USA (Washington, D.C.), focused on providing a bilingual, inquiry‑based K‑12 education. | ||
| Leak Size | Unknown |
Credential Exposure for wis.edu
We've indexed 1,251 @wis.edu accounts from external breaches, plus 6 credentials for wis.edu itself.
Last checked Aug 16, 2026
| @wis.edu addresses from external breaches | |
|---|---|
| Third-party breaches | 1,203 accounts · across 175 breaches · 881 with a plaintext password · most recent Jan 25, 2026 |
| Combo lists | 380 accounts · most recent Aug 15, 2026 |
| Passwords for wis.edu accounts | |
|---|---|
| Combo lists | 4 logins · most recent Aug 6, 2026 |
| Infostealer logs | 4 logins · 2 infected devices · most recent Jul 13, 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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