SAN FRANCISCO — October 20, 2026 — Horizon3, the AI-Native Proactive Security Company behind NodeZero®, the World’s Best AI Hacker, today announced that it has surpassed $100 million in annual recurring revenue (ARR) underpinned by 95% gross dollar retention (GDR) and 125% net dollar retention (NDR). This milestone comes approximately five years after crossing $1 million ARR in September 2021… Source

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