University of Melbourne

University of Melbourne

Data Breach on March 27, 2023
Data Breach Report
Victimunimelb.edu.au
Threat ActorCL0P
Date DiscoveredMar 27, 2023
DescriptionThe University of Melbourne is a public research university located in Melbourne, Australia.
Leak SizeUnknown

Credential Exposure for unimelb.edu.au

We've indexed 33,054 @unimelb.edu.au accounts from external breaches, plus 5,721 credentials for unimelb.edu.au itself.

Last checked Aug 16, 2026

@unimelb.edu.au addresses from external breaches
Third-party breaches31,011 accounts · across 1171 breaches · 24,852 with a plaintext password · most recent Mar 8, 2026
Combo lists9,660 accounts · most recent Aug 15, 2026
Passwords for unimelb.edu.au accounts
Combo lists5,120 logins · most recent Aug 15, 2026
Infostealer logs1,600 logins · 991 infected devices · most recent Aug 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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