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SPIN Processed News Frame: The Stampede
Horizon3, whose AI penetration testing platform NodeZero helps find and exploit attack paths in production systems, raised a $250M Series E at a $2B valuation (Kate Park/TechCrunch)
Horizon3, a cybersecurity startup offering an AI-powered penetration testing platform called NodeZero, secured $250 million in Series E funding at a $2 billion valuation — a more than threefold increase from its prior valuation within 14 months.
Spin 76% Source-Supported AI Risk High Needs Evidence
Techmeme
Aug 3, 2026
SPIN Processed News Frame: The Stampede
Horizon3 hits $2 billion valuation with $250M Series E as AI threats escalate
Horizon3, a cybersecurity startup, secured $250M in Series E funding at a $2B valuation amid growing demand for AI-driven continuous security validation.
Spin 82% Claim Present in Source AI Risk High
TechCrunch
Aug 3, 2026