OKK

OKK

Data Breach on June 15, 2023
Data Breach Report
Victimoekk.ch
Threat ActorCL0P
Date DiscoveredJun 15, 2023
DescriptionÖKK is a successful, independent insurance company that offers products and services in the areas of illness, accident, loss of earnings and occupational pensions.
Leak SizeUnknown

Credential Exposure for oekk.ch

We've indexed 70 @oekk.ch accounts from external breaches, plus 10 credentials for oekk.ch itself.

Last checked Aug 16, 2026

@oekk.ch addresses from external breaches
Third-party breaches70 accounts · across 39 breaches · 52 with a plaintext password · most recent Apr 30, 2024
Combo lists30 accounts · most recent Jul 24, 2026
Passwords for oekk.ch accounts
Combo lists6 logins · most recent Aug 7, 2026
Infostealer logs5 logins · 3 infected devices · most recent Jul 8, 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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