Horizon3 Hits $2B Valuation With $250M Series E
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- Horizon3 raised a $250 million Series E at a $2 billion valuation, more than tripling its previous valuation
- NodeZero is Horizon3's AI penetration testing platform that autonomously finds and exploits attack paths in production systems
Why it matters: The $2B valuation—more than triple Horizon3's prior mark—signals investor appetite for AI-powered offensive security tools that find and exploit attack paths in production environments before adversaries do.
