# Horizon3 hits $100 million ARR with autonomous security platform

> The AI‑native security firm reports $100 M in annual recurring revenue, driven by high retention rates as customers adopt continuous, production‑safe testing.

Oossa · 2026-10-20 · https://oossa.com/en/horizon3-hits-100-million-arr-with-autonomous-security-platform

Horizon3, the company behind the NodeZero® platform, announced that its annual recurring revenue has passed $100 million. The growth is backed by a 95% gross dollar retention rate and a 125% net dollar retention rate. Horizon3 reached $1 million ARR in September 2021, and now reports five years of sustained expansion as more firms use its autonomous penetration testing tools.

## The facts

- ARR > $100 million (2026)
- 95% gross dollar retention, 125% net dollar retention

## Why it matters

Enterprises can keep testing production systems without slowing down operations, thanks to Horizon3’s continuous, AI‑driven security approach.

## Sources & references

1. [Horizon3 Surpasses $100 Million ARR, Marking a Key Milestone in the Shift to Continuous, Production-Safe Autonomous Security](http://www.businesswire.com/news/home/20261020386063/en/Horizon3-Surpasses-100-Million-ARR-Marking-a-Key-Milestone-in-the-Shift-to-Continuous-Production-Safe-Autonomous-Security/?feedref=JjAwJuNHiystnCoBq_hl-WsGkFyUNMTSNrPsg57HLEqqcp-o_pnudlUwsb5apQ1S4gUE65BTfjH3-pSuqdv0gW3cb3F4oTIgUqCPafFkgu5AneicJQDNboWvodvG82E0) – Business Wire, 2026-10-20

Last updated: 2026-10-20