Arup Group

Arup Group

Data Breach on May 11, 2026
Data Breach Report
Victimarup.com
Claimed ByFulcrumSec
Date DiscoveredMay 11, 2026
DescriptionArup is an engineering and consulting company based in the UK that provides design, infrastructure, sustainability, and technical consulting services worldwide.
Leak SizeUnknown

Credential Exposure for arup.com

We've indexed 7,076 @arup.com accounts from external breaches, plus 779 credentials for arup.com itself.

Last checked Sep 20, 2026

@arup.com addresses from external breaches
Third-party breaches6,588 accounts · across 702 breaches · 5,848 with a plaintext password · most recent Feb 26, 2026
Combo lists2,921 accounts · most recent Sep 18, 2026
Passwords for arup.com accounts
Combo lists471 logins · most recent Sep 13, 2026
Infostealer logs378 logins · 265 infected devices · most recent Sep 20, 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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