Horizon3 Hits $2 Billion Valuation With $250M Series E as AI Threats Escalate The latest funding round for cybersecurity startup Horizon3 has sent shockwaves through the industry, with the company's valuation more than tripling in just 14 months to a staggering $2 billion.
The $250 million Series E injection from returning investors NightDragon and NEA will undoubtedly fuel further growth.
Horizon3's success is built on its AI powered NodeZero platform, which offers two key strengths: live system testing without downtime, and continuous infrastructure scanning rather than annual snapshots.