Hatem Elleissy is a seasoned professional in the field of cybersecurity, currently serving as a Technical Account Manager at Proofpoint since November 2025. Prior to this role, Hatem held positions at Darktrace as a Solutions Engineer from July 2021 to November 2025, and at Orange Cyberdefense as a Network Security Consultant between October 2017 and July 2021. Hatem's experience also includes working as a Network Security Engineer at EDF in 2017, and at Orange Business from March 2014 to October 2015. Hatem holds a Master's Degree in intelligence économique et stratégies compétitives from Université d'Angers, where studies took place from 2015 to 2016.
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