Horizon3.ai
Horizon3.ai develops NodeZero which provides an autonomous penetration testing solution that helps customers find and fi
Network Management Software
📍 Dover, DE
Founded 2019
Current Valuation
$660M
as of 2026-Q1
PRIVATE
Horizon3.ai develops NodeZero which provides an autonomous penetration testing solution that helps customers find and fix attack vectors.
Company Profile
Last Round
Series D — $100M (Jan 2026)
Fundraising Status
Series D · $100M · 5 mo ago
privateTotal raised $184M
Latest Funding Round
| Round | Amount | Date | Lead Investor | Post-Money |
|---|
| Series D | $100M | Jan 2026 | — | $660M |
Enterprise SoftwareCyber SecurityNetwork SecurityMachine LearningArtificial Intelligence
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2026-Q1. Refreshed quarterly.