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)
Techmeme
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https://techcrunch.com/2026/08/03/horizon3-hits-2-billion-valuation-with-250m-series-e-as-ai-threats-escalate/">http://www.techmeme.com/260803/i19.jpg" vspace="4" />
https://www.techmeme.com/260803/p19#a260803p19" title="Techmeme permalink">http://www.techmeme.com/img/pml.png" style="border: none; padding: 0; margin: 0;" width="11" /> Kate Park / http://techcrunch.com/">TechCrunch:
https://techcrunch.com/2026/08/03/horizon3-hits-2-billion-valuation-with-250m-series-e-as-ai-threats-escalate/">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 — Cybersecurity startup Horizon3 has raised a $250 million Series E at a $2 billion valuation, more than tripling its valuation in 14 months.