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Horizon3.ai

Threat & Vulnerability Management

Autonomous penetration testing platform (NodeZero) that safely exploits environments to find and verify real attack paths.

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75/100Meaningful Innovator

Overview

NodeZero runs autonomous, production-safe attacks across internal, external and cloud environments to identify exploitable weaknesses and chain them into attack paths, then verifies fixes by retesting.

The company raised a $100M Series D in June 2025 and works on the NSA’s Continuous Autonomous Pentesting program.

Innovation Matrix Assessment

Innovation Velocity 8/10

Rapid expansion of autonomous testing to web apps and vulnerability management.

Operational Value 8/10

Replaces periodic manual pentests with on-demand verified findings.

Market Momentum 7/10

$100M Series D led by NEA; 3,000+ organizations reported; federal adoption.

Category Disruption 7/10

Autonomous continuous pentesting changes the cadence of validation.

Real-World Efficacy 7/10

NSA CAPT program involvement is independent validation; customer stats are company-reported.

Enduring Relevance 8/10

Continuous validation will matter as environments change faster.

Why CISOs Should Care

Shows which weaknesses are actually exploitable and verifies remediation, replacing point-in-time pentests.

What Makes It Different

Autonomous attack chaining instead of vulnerability scanning or manual testing.

The Matrix Verdict

75/100 — MEANINGFUL INNOVATOR

Horizon3.ai is a Meaningful Innovator: strong approach, funding and government validation, with independent test results still thin.

Editorial Note: Claims vs. Verified Findings

The 3,000-organization and 100% ARR growth figures are company-reported. Funding is press-confirmed; the NSA program is a government source.

Sources

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