Jozef Stefan Institute

Jozef Stefan Institute

Data Breach on May 12, 2026
Data Breach Report
Victimijs.si
Claimed ByCoinbaseCartel
Date DiscoveredMay 12, 2026
DescriptionJožef Stefan Institute is a scientific research institute based in Slovenia that conducts research in physics, chemistry, computer science, and advanced technology development.
Leak SizeUnknown

Credential Exposure for ijs.si

We've indexed 636 @ijs.si accounts from external breaches, plus 66 credentials for ijs.si itself.

Last checked Sep 20, 2026

@ijs.si addresses from external breaches
Third-party breaches615 accounts · across 204 breaches · 526 with a plaintext password · most recent Feb 26, 2026
Combo lists268 accounts · most recent Sep 18, 2026
Passwords for ijs.si accounts
Combo lists62 logins · most recent Sep 12, 2026
Infostealer logs12 logins · 9 infected devices · most recent Aug 29, 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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