Arnauld Mascret is a highly experienced security professional with a strong background in cloud security architecture and IT security. Currently serving as the Head of Security Architecture at Euroclear since January 2019, Arnauld previously held the position of Cloud Security Architect at Sogeti/ESEC from October 2009 to December 2018, where responsibilities included designing standard cloud architecture with a focus on security for AWS migrations. Earlier career roles included leading Threat Hunting Services and R&D Security at Sogeti, as well as a trainee position in IT Security R&D. Arnauld's education includes a Master's degree in Information Security and Cryptology from Université de Limoges and a Bachelor's degree in Computer Sciences from Teesside University.