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

SAN FRANCISCO, June 12 (Bernama) -- 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.

“Over the past four years, we’ve proven that using AI to hack companies isn’t science fiction—it’s real, and it’s delivering measurable results at scale. There are now over 3,000 organizations using NodeZero globally to conduct penetration tests. We’re sustaining 100%+ year-over-year ARR growth, and we are now Rule of 40-positive, which means we’re not just growing—we’re growing efficiently,” said Snehal Antani, CEO and Co-founder of Horizon3.ai. “This raise marks the next chapter in our mission to lead the Autonomous Security category.”