Lior has over 15 years of experience in cybersecurity, with most of that time as a security architect, product manager and developer for the Israeli government. Lior served in an elite cyber security unit of the Israel Defense Forces (retired with the rank of Major), after which he worked in a cyber security division of Israel's Prime Minister's Office.

After leaving the public sector, Lior worked as an independent consultant, specializing in cloud security and identity management. Lior holds an M.Sc in Electrical Engineering from Tel Aviv University and a B.Sc in Applied Mathematics (cum laude) from Bar Ilan University, Israel.