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Listed on a ransomware leak site

Arup Group

arup.com

Arup Group was listed on the Fulcrumsec leak site on May 10, 2026. Information as of Oct 19, 2026.

Country: United KingdomIndustry: Consulting
Updated continuously · figures as of Oct 19, 2026
Claimed by
Fulcrumsec
First listed
May 10, 2026
Claims recorded
1

Leak-Site Claim.

FulcrumsecConfirmed claim
Posted on the leak site
May 10, 2026
Collected by Brandefense
May 10, 2026
Data claimed
5 TB
Leak-site post text, written by the group
Arup Group is a British multinational professional services firm headquartered in London, United Kingdom. Founded in 1946, it operates in the engineering, design, planning, and consulting industries. The firm provides structural, civil, mechanical, and electrical engineering services, alongside architecture and project management. Arup works across sectors including infrastructure, buildings, transport, and energy, delivering projects in over 140 countries worldwide.

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Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.