Arpege Master K

Arpege Master K

Data Breach on November 30, 2023
Data Breach Report
Victimmasterk.com
Threat ActorLockBit
Date DiscoveredNov 30, 2023
DescriptionArpege Master K builds and installs industrial weighing equipment for the construction and steel industries.
Leak SizeUnknown

Credential Exposure for masterk.com

We've indexed 33 @masterk.com accounts from external breaches, plus 1 credentials for masterk.com itself.

Last checked Aug 23, 2026

@masterk.com addresses from external breaches
Third-party breaches31 accounts · across 32 breaches · 29 with a plaintext password · most recent Feb 10, 2025
Combo lists13 accounts · most recent Aug 17, 2026
Passwords for masterk.com accounts
Combo lists1 logins · most recent Aug 17, 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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