The American School Nov 27, 2025ation

The American School Nov 27, 2025ation

Data Breach on November 27, 2025
Data Breach Report
Victimasf.edu.mx
Claimed ByQilin
Date DiscoveredNov 27, 2025
DescriptionThe American School Foundation, A.C. is an independent international school based in Mexico, offering an American‑style, college‑preparatory K‑12 education including International Baccalaureate, American High School Diploma, and Mexican high‑school diploma options.
Leak SizeUnknown

Credential Exposure for asf.edu.mx

We've indexed 2,700 @asf.edu.mx accounts from external breaches, plus 44 credentials for asf.edu.mx itself.

Last checked Aug 23, 2026

@asf.edu.mx addresses from external breaches
Third-party breaches2,649 accounts · across 214 breaches · 2,123 with a plaintext password · most recent Jan 25, 2026
Combo lists468 accounts · most recent Aug 21, 2026
Passwords for asf.edu.mx accounts
Combo lists33 logins · most recent Aug 21, 2026
Infostealer logs14 logins · 9 infected devices · most recent Jul 27, 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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