Horizon3 says NodeZero business passed $100 million ARR
Original title: Horizon3 Surpasses $100 Million ARR, Marking a Key Milestone in the Shift to Continuous, Production-Safe Autonomous Security
The company reports more than 120% year-over-year ARR growth, 95% gross retention, and 125% net retention.
Horizon3 said on October 20, 2026 that annual recurring revenue for its NodeZero autonomous pentesting platform surpassed $100 million, about five years after $1 million ARR in September 2021. It attributes the result to early channel investment and a shift from one product to a broader platform, and says it is FedRAMP High authorized. CEO Snehal Antani outlined sovereign cyber AI regions, critical-infrastructure centers of excellence, and attack-defend learning loops as next steps.
Unconfirmed: Revenue, retention, test volume, and customer counts are Horizon3's own figures.
- Horizon3 claims more than 350,000 production-safe tests at more than 7,000 organizations.
- It says about 80% of customers moved from annual to monthly testing and 40% to weekly.
- The release cites 95% gross dollar retention and 125% net dollar retention.
From the original article
3 min read at horizon3.ai
Horizon3 has surpassed $100 million in annual recurring revenue, with ARR growing more than 120% year over year. The milestone reflects increasing adoption of the NodeZero platform, a channel-first growth strategy, and demand for continuous, production-safe autonomous penetration testing.
By Horizon3 · horizon3.ai
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