Colégio Miguel de Cervantes
Data Breach on December 29, 2025
| Data Breach Report | |||
|---|---|---|---|
| Victim | cmc.com.br | ||
| Claimed By | LockBit | ||
| Date Discovered | Dec 29, 2025 | ||
| Description | Colégio Miguel de Cervantes is a Spanish international school based in Brazil, offering education from early childhood through senior high school with a curriculum rooted in Spanish language and culture. | ||
| Leak Size | Unknown |
Credential Exposure for cmc.com.br
We've indexed 329 @cmc.com.br accounts from external breaches, plus 130 credentials for cmc.com.br itself.
Last checked Oct 4, 2026
| @cmc.com.br addresses from external breaches | |
|---|---|
| Combo lists | 214 accounts · most recent Oct 4, 2026 |
| Third-party breaches | 168 accounts · across 43 breaches · 160 with a plaintext password · most recent Dec 18, 2025 |
| Passwords for cmc.com.br accounts | |
|---|---|
| Combo lists | 103 logins · most recent Sep 30, 2026 |
| Infostealer logs | 37 logins · 23 infected devices · most recent Sep 23, 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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