Cornerstone Credit Union

Cornerstone Credit Union

Data Breach on July 12, 2023
Data Breach Report
Victimcornerstonecu.com
Threat ActorCL0P
Date DiscoveredJul 12, 2023
DescriptionCornerstone Credit Union is a full service financial institution, located in Saskatchewan.
Leak SizeUnknown

Credential Exposure for cornerstonecu.com

We've indexed 19 @cornerstonecu.com accounts from external breaches, plus 21 credentials for cornerstonecu.com itself.

Last checked Aug 16, 2026

@cornerstonecu.com addresses from external breaches
Third-party breaches17 accounts · across 21 breaches · 16 with a plaintext password · most recent Aug 18, 2024
Combo lists5 accounts · most recent Nov 25, 2025
Passwords for cornerstonecu.com accounts
Combo lists21 logins · most recent Aug 3, 2026
Infostealer logs7 logins · 4 infected devices · most recent May 25, 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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