Carlyle led the Series B financing round to support international growth and product development.

Hack The Box
Gamified cybersecurity training and talent assessment platform.
Hack The Box provides a gamified cybersecurity training and talent assessment platform used by enterprises and government institutions globally. The company combines realistic hacking simulations with community engagement to improve security readiness.
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Founders
Haris Pylarinos
Founder and CEO
Haris is the founder and chief executive officer of Hack The Box. He previously held engineering roles at Naftomar Shipping And Trading Co. Ltd. Inc., Ibiscus Internet Services, and the Hellenic Air Force.
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James Hooker
Co-Founder and CTO
James serves as co-founder and chief architect at Hack The Box. His background includes roles as a senior software engineer and vulnerability researcher.
LinkedIn
Aris Zikopoulos
Co-Founder and CCO
Aris brings cybersecurity entrepreneurial and advisory experience, having co-founded Hack The Box and founded Cyber Helmets. He previously held security and management roles at Velti, SPACE HELLAS, and ITWAY Hellas.
LinkedInInvestors
- $55.0MCCarlyleLeadPaladin Capital GroupFollow-on
OUOsage University PartnersFollow-onMarathon Venture CapitalFollow-on
Brighteye VenturesFollow-on
- £7.7M
- £1.0M
Funding history
Paladin Capital Group led the Series A round with participation from Osage University Partners, Brighteye Ventures, and Marathon Venture Capital.
Marathon Venture Capital has backed the platform as it surpasses 120k members and scales its product roadmap.