HSE

HSE

Data breach claim reported December 10, 2023
Add Breachsense as a preferred source on Google
Data Breach Report
Victimhse.si
Claimed ByRhysida
Date DiscoveredDec 10, 2023
DescriptionThe HSE Group is the largest Slovenian organisation in the field of electricity and the largest producer and trader in electricity on the wholesale market in Slovenia.
Leak SizeUnknown

Breach claims on this page are published by threat actors and haven't been verified by Breachsense.

Credential Exposure for hse.si

We've indexed 55 @hse.si accounts from external breaches, plus 67 credentials for hse.si itself.

Last checked Nov 1, 2026

@hse.si addresses from external breaches
Third-party breaches36 accounts · across 28 breaches · 33 with a plaintext password · most recent Apr 22, 2024
Combo lists30 accounts · most recent Oct 27, 2026
Passwords for hse.si accounts
Combo lists65 logins · most recent Oct 31, 2026
Infostealer logs12 logins · 7 infected devices · most recent Sep 4, 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.

Is your organization next?

Check if your company's credentials have been exposed in this or other data breaches.

Continuous dark web monitoring alerts you when we find leaked credentials or session tokens for your company.