Mountjoy Portsmouth

Mountjoy Portsmouth

Data Breach on May 20, 2024
Data Breach Report
Victimmountjoy.co.uk
Threat ActorBianLian
Date DiscoveredMay 20, 2024
DescriptionMountjoy is a provider of building and maintenance support services across southern England.
Leak SizeUnknown

Credential Exposure for mountjoy.co.uk

We've indexed 41 @mountjoy.co.uk accounts from external breaches, plus 1 credentials for mountjoy.co.uk itself.

Last checked Aug 16, 2026

@mountjoy.co.uk addresses from external breaches
Third-party breaches40 accounts · across 28 breaches · 33 with a plaintext password · most recent Aug 18, 2024
Combo lists21 accounts · most recent Aug 7, 2026
Passwords for mountjoy.co.uk accounts
Combo lists1 logins · most recent May 12, 2026
Infostealer logs1 logins · 1 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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