Yokosuka Gakuin

Yokosuka Gakuin

Data Breach on December 16, 2025
Data Breach Report
Victimyokosukagakuin.ac.jp
Threat ActorRhysida
Date DiscoveredDec 16, 2025
DescriptionYokosuka Gakuin University is a higher education institution based in Japan, specializing in undergraduate and graduate programs in liberal arts, business studies, and applied academic disciplines.
Leak SizeUnknown

Credential Exposure for yokosukagakuin.ac.jp

We've indexed 6 @yokosukagakuin.ac.jp accounts from external breaches.

Last checked Aug 16, 2026

@yokosukagakuin.ac.jp addresses from external breaches
Third-party breaches5 accounts · across 14 breaches · 4 with a plaintext password · most recent Feb 8, 2021
Combo lists4 accounts · most recent Apr 1, 2026

None of this is necessarily connected to the ransomware attack above.

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