William MacArthur

William MacArthur currently serves as the Director of Threat Intelligence at OPSWAT, following the acquisition of InQuest.net, where William held the same position from May 2019 to August 2024. With a strong background in threat analysis, William previously worked as the Threat Research & Intelligence Lead at InQuest.net and as the Lead Threat Intelligence Analyst at Fishtech Group, focusing on managed detection and response services. Earlier experience includes a role as a Threat Intelligence Analyst at RiskIQ, where William specialized in identifying and exposing various online threats, and a position on the CSIRT Response Team at GoDaddy.com, responsible for protecting enterprise environments and monitoring threats.