Horizon3.ai, whose AI-based penetration testing platform NodeZero helps find and exploit attack paths in production systems, raised a $100M Series D led by NEA (Chris Metinko/Axios)

Chris Metinko / Axios: Horizon3.ai, whose AI-based penetration testing platform NodeZero helps find and exploit attack paths in production systems, raised a $100M Series D led by NEA  —  Autonomous security startup Horizon3.ai locked up a $100 million Series D led by NEA, co-founder and CEO Snehal Antani tells Axios Pro.

Jun 14, 2025 - 08:00
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Horizon3.ai, whose AI-based penetration testing platform NodeZero helps find and exploit attack paths in production systems, raised a $100M Series D led by NEA (Chris Metinko/Axios)

Chris Metinko / Axios:
Horizon3.ai, whose AI-based penetration testing platform NodeZero helps find and exploit attack paths in production systems, raised a $100M Series D led by NEA  —  Autonomous security startup Horizon3.ai locked up a $100 million Series D led by NEA, co-founder and CEO Snehal Antani tells Axios Pro.

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