Montana State University

Montana State University

Data Breach on May 02, 2023
Data Breach Report
Victimmontana.edu
Threat ActorRoyal
Date DiscoveredMay 02, 2023
DescriptionMontana State University, located in the city of Bozeman, is an educational institution that offers a variety of academic programs and activities for students.
Leak Size105GB

Credential Exposure for montana.edu

We've indexed 10,698 @montana.edu accounts from external breaches, plus 785 credentials for montana.edu itself.

Last checked Aug 16, 2026

@montana.edu addresses from external breaches
Third-party breaches10,266 accounts · across 602 breaches · 9,210 with a plaintext password · most recent Feb 26, 2026
Combo lists4,739 accounts · most recent Aug 15, 2026
Passwords for montana.edu accounts
Combo lists723 logins · most recent Aug 15, 2026
Infostealer logs138 logins · 86 infected devices · most recent Aug 7, 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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