Onex

Onex

Data Breach on March 16, 2023
Data Breach Report
Victimonex.com
Claimed ByCL0P
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 36 credentials for onex.com itself.

Last checked Sep 27, 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 lists39 accounts · most recent Sep 18, 2026
Passwords for onex.com accounts
Combo lists36 logins · most recent Sep 24, 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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