Cyber Mastery: Community Inspired. Enterprise Trusted.

Cybersecurity Professional Development

Hack The Box is the leading cyber readiness platform for the agentic era, battle-testing and upskilling both humans & AI agents to enhance organizational cyber resilience.

Founded

2017

Employees

201-500

Funding

Series B

Pricing

Public pricing page

AI Classification

CybersecuritySecurity Consulting

Hack The Box is a leading cyber readiness SaaS platform that provides hands-on cybersecurity training, threat simulations, CTF competitions, and AI-powered cyber ranges for individuals, enterprises, government agencies, and MSSPs. With 4.3M+ community members, 800+ enterprise customers, and a named Leader designation in the Forrester Wave for Cybersecurity Skills and Training Platforms, the company serves security teams globally across offensive, defensive, and purple team disciplines.

Deep Intelligence

Buying Signals

Raised $55 million Series B led by Carlyle in January 2023, signaling aggressive growth and capital for product expansion
Acquired LetsDefend in September 2025, expanding defensive security training coverage and customer base
Launched the world's first AI Cyber Range in 2025, entering the AI agent security testing market ahead of competition
Partnered with LinkedIn Learning to launch the Cybersecurity Analyst Path, dramatically broadening distribution reach
Partnered with Google to lead AI security education initiatives, reinforcing enterprise and platform-scale ambitions

Account Scoring

Tier ALow Churn RiskRecently Funded

Pain Signals

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Rapid staff growth from 3 to 290+ employees across 8 years indicates possible scaling challenges in support, onboarding, and customer success
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