Haris Pylarinos

Haris Pylarinos is the founder and CEO of Hack The Box. With a vision to connect and upskill the cybersecurity community worldwide, Haris disrupted the industry by introducing Hack The Box to the world, and its innovative, holistic 360º approach to cyber workforce development, assessment, and recruitment.

Leading the company’s expansion worldwide, Haris has managed to grow Hack The Box exponentially. Under his leadership, the team has scaled to over 290 employees and over 4 million platform members since launch in 2017.

Haris is a cybersecurity expert with over 15 years of experience in the IT and Cybersecurity industry. He also possessed a wealth of experience as a SysAdmin in the Maritime sector, honing his skills in systems engineering.

Haris applies his expertise outside work and has been actively participating in competitions, collaborations, and mentoring activities. He achieved 1st place in the Cyber-warfare military exercise of Greece (Panoptis) in 2017 and collaborated with the Greek Army to design future cyber-warfare practices in 2018 and 2019. Haris was also part of the coaching group for the European Cyber Security Challenge in 2017-2018 and served in the management group for 2019-2020, demonstrating his dedication to educating and fostering the next generation of cybersecurity professionals.

Apart from his security expertise, Haris has a strong background in networking and software architecture and holds the following certifications: OSCP, MCSA, MCTS, CEI, CEH