The problem
Security teams can't afford frequent manual pentests, so exploitable attack paths stay hidden between annual audits
What they do
Autonomous AI pentesting platform (NodeZero) that safely attacks your own production network
Traction $100M+ ARR (Oct 2026), +120% YoY; 125% NDR, 95% GDR; 7,000+ customers
Hiring trend
- Open roles
- 151
- Ops roles
- 4
- Headcount
- ~550-670
Headcount ~376 → ~457 Q4 2025 to Q1 2026 (Revelio), ~645 on LinkedIn (+118% YoY); 151 open roles, postings accelerated Sep 2026
Hiring in
- Amsterdam
- Washington, DC
- New York
- Remote (US)
- Remote (Singapore)
Glassdoor
4.9 ★ 83 reviews ↗Funding
- Last round
- $250M
- Stage
- Series E
- Date
- Aug 2026
Led by NightDragon, NEA
- Hiring+2151 open roles on the live job board (30+ roles = +2)
- Funding recency+2Series E · $250M, Aug 2026 (2 months ago): 6 months or less = +1.5, $100M+ round +0.5
- Traction+1.5Strong growth: $100M+ ARR (Oct 2026), +120% YoY; 125% NDR, 95% GDR; 7,000+ customers
- Red flags0None found in the last 24 months
- Total5.52 + 2 + 1.5 − 0 = 5.5 → Sprint (4.75 or more)
Distance (Half) is a separate read on how long the lead can last. It doesn't change the score.
Distance
Half · edge: learns from use
A category leader in autonomous pentesting with real proof (125% NDR, 7,000+ customers, FedRAMP High) and a data loop from 350,000+ production tests; shares the market with Pentera and a wave of AI-hacker startups, and frontier labs shipping offensive AI is a live clone risk.
Sources: Horizon3: Surpasses $100M ARR, 125% NDR (Oct 2026) ↗ · TechCrunch: Horizon3 $250M Series E at $2B (Aug 2026) ↗
Last checked Oct 25, 2026