Horizon3.ai Raises $100M to Cement Leadership in Autonomous Security

Business Wire 06/10/2025

Horizon3.ai, the company behind the NodeZero® Autonomous Security Platform, today announced a $100 million Series D funding round led by NEA, with participation from SignalFire, Craft Ventures and 9Yards Capital. As part of the investment, Lila Tretikov, Partner and Head of AI Strategy at NEA and former Deputy CTO of Microsoft, will join the Horizon3.ai Board of Directors.

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