Hack The Box

Hack The Box is an Athens-founded cybersecurity training and upskilling platform that provides hands-on hacking labs, capture-the-flag challenges, and continuous skill assessment for security professionals and teams. The platform has built a global community of over 2 million members and serves enterprise clients including Fortune 500 companies looking to benchmark and develop their security workforce. Founded in 2017 by Haris Pylarinos, the company has raised over $55 million and represents one of Greece's fastest-growing tech companies, operating at the intersection of cybersecurity, gaming mechanics, and workforce development.