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#210 by ARRSan Francisco, UShorizon3.ai ↗

Horizon3.ai

Horizon3.ai offers an autonomous penetration testing platform that helps organizations proactively find and fix security vulnerabilities.

ARR
$30M
as of Sep 2026
Employees
~150
as of Oct 2026
Valuation
$2B
67× ARR
ARR / employee
$200K
revenue efficiency
About Horizon3.ai

Horizon3.ai is a cybersecurity company specializing in autonomous penetration testing and vulnerability management. Its flagship platform, NodeZero™, enables organizations to continuously assess their attack surfaces by simulating real-world attack scenarios. NodeZero identifies exploitable vulnerabilities, misconfigurations, and weak credentials across on-premises, cloud, and hybrid environments, providing actionable insights for remediation. The platform operates without the need for persistent or credentialed agents, allowing safe deployment in production environments. It offers features such as NodeZero Kubernetes Pentesting for containerized workloads, NodeZero Tripwires™ for early threat detection, and NodeZero Insights for comprehensive risk analysis. Horizon3.ai collaborates with partners like Tech Mahindra and FedHIVE to extend its services to global enterprises and government agencies, supporting compliance with standards like FedRAMP High.

Horizon3.ai offers an autonomous penetration testing platform that helps organizations proactively find and fix security vulnerabilities. Crunchbase rank #221.

Investors · 15

LeadNEAVenture capital54 partners on file
LeadNightDragonVenture capital14 partners on file
BoardNEAVenture capital· Lila Tretikov (Partner and Head of AI Strategy at NEA)54 partners on file
BoardNEAVenture capital· Aaron Jacobson (Partner at NEA)54 partners on file
BoardNightDragonVenture capital· Dave DeWalt (Founder and CEO at NightDragon)14 partners on file
BoardNightDragonVenture capital· Morgan Kyauk (Managing Director at NightDragon)14 partners on file
Investor9yards CapitalVenture capital9 partners on file
InvestorAcrew CapitalVenture capital12 partners on file
InvestorBlue Cloud VenturesVenture capital3 partners on file
InvestorCraft VenturesVenture capital24 partners on file
InvestorDemeter GroupVenture capital
InvestorEDBISovereign fund4 partners on file
InvestorProsperity7 VenturesVenture capital
InvestorPSG EquityPrivate equity44 partners on file
InvestorQualcomm VenturesCorporate14 partners on file
InvestorRidge VenturesVenture capital3 partners on file
InvestorSAIC VenturesCorporate3 partners on file
InvestorSapphire VenturesVenture capital19 partners on file
InvestorSignalFireVenture capital19 partners on file
222 partner contacts across these firms, emails and LinkedIn are in Investor Contacts for paid members.
Horizon3 logo
NEA (lead), NightDragon (lead) · Autonomous security testing
$250M
val. $2B

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