Onex

Onex

Data Breach on March 16, 2023
Data Breach Report
Victimonex.com
Threat ActorCL0P
Date DiscoveredMar 16, 2023
DescriptionOnex is an investor and asset manager that invests capital on behalf of its shareholders and clients across the globe.
Leak SizeUnknown

Credential Exposure for onex.com

We've indexed 134 @onex.com accounts from external breaches, plus 28 credentials for onex.com itself.

Last checked Aug 16, 2026

@onex.com addresses from external breaches
Third-party breaches132 accounts · across 85 breaches · 114 with a plaintext password · most recent Dec 18, 2025
Combo lists34 accounts · most recent Aug 6, 2026
Passwords for onex.com accounts
Combo lists28 logins · most recent Aug 7, 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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