Arup Group appeared in May 2026 ransomware intelligence feeds as a FulcrumSec leak-site victim, accompanied by blog write-ups and community discussion about possible operational impact.
Because Arup underpins critical infrastructure design worldwide, even unverified listings warrant supply-chain awareness—yet BreachHistory keeps denominators at zero until the partnership publishes attested categories.
Canonical record: Arup Group 2026 claim on BreachHistory.
Sources: ransomware.live, HookPhish