Product Reports Resources Pricing Login Book a demo

Horizon 3 AI

Cybersecurity · San Francisco, United States · Founded 2019

Horizon3.ai is a cybersecurity startup specializing in autonomous penetration testing (pentesting) solutions. Founded in 2019 and headquartered in San Francisco, CA, the company offers a Software-as-a-Service (SaaS) platform called NodeZero. This platform allows businesses to simulate cyber-attacks on their own systems to identify vulnerabilities and ineffective security measures. Unlike traditional pentesting methods, NodeZero is self-service, meaning it doesn't require ongoing human intervention or the installation of persistent software agents, making it safe to use in live production environments. The primary clients of Horizon3.ai are enterprises that need to ensure their cybersecurity defenses are robust and compliant with industry standards. This includes companies across various sectors such as finance, healthcare, and technology, who are particularly concerned about safeguarding sensitive data and meeting regulatory requirements like PCI DSS (Payment Card Industry Data Security Standard). Horizon3.ai operates in the cybersecurity market, which is growing rapidly due to increasing cyber threats and regulatory pressures. The company's business model is subscription-based, where clients pay for access to the NodeZero platform on an annual or monthly basis. This recurring revenue model provides a steady income stream and allows Horizon3.ai to continuously update and improve its services. The company makes money by offering different tiers of service, which may include basic vulnerability assessments, advanced threat simulations, and compliance-focused pentesting. By helping clients identify and fix exploitable vulnerabilities, Horizon3.ai adds significant value, enabling businesses to allocate their cybersecurity budgets more effectively. In summary, Horizon3.ai leverages its expertise in cybersecurity and national security to offer an innovative, autonomous pentesting solution that helps enterprises improve their security posture and meet compliance requirements. Keywords: cybersecurity, pentesting, SaaS, NodeZero, vulnerabilities, compliance, enterprises, autonomous, subscription, security controls.

Valuation $1–2.5B
Revenue $10–50M
Headcount 100–500
Total funding $100–500M
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Horizon 3 AI and the history behind them.

Investors

7 investors on Horizon 3 AI's cap table

Sourced from Dealroom's funding history. Investor profile links are shown where available.

Seed 2 investors entered at this stage
SignalFire
Ridge Ventures
Series B+ 5 investors entered at this stage
Craft Ventures
NEA
9Yards Capital
Prosperity7 Ventures
NightDragon

Global footprint

Where Horizon 3 AI has talent and traffic

Workforce by country
14 countries with
team presence
🇺🇸 United States82%
🇳🇱 Netherlands6.8%
🇬🇧 United Kingdom4.7%
🇦🇺 Australia1.5%
🇨🇦 Canada0.9%
Top 5 of 14 shown
Web traffic by country
130K monthly visits
across markets
🇺🇸 United States54.5%
🇨🇦 Canada2.7%
🇹🇼 Taiwan2.7%
🇬🇧 United Kingdom2.7%
🇳🇬 Nigeria2.2%
Top 5 markets shown

Talent graph

The shape of Horizon 3 AI's talent

Dealroom maps Horizon 3 AI's team person by person — pinpointing the standout operators and scoring them across the six dimensions investors underwrite. The counts and shape below are a public preview; the named individuals and exact scores live in the platform.

13 team members profilednamed & role-tagged by Dealroom
498 employeestotal headcount
3 executives & foundersidentified by name
DimensionScore
AI Talent Score hidden — book a demo
Engineering Score hidden — book a demo
Product Score hidden — book a demo
Go-to-market Score hidden — book a demo
Leadership Score hidden — book a demo
Research Score hidden — book a demo
Book a demo to unlock Horizon 3 AI's exact scores

Source: Dealroom Talent Intelligence. Public profiles show counts and the team's shape only — request a demo for the named individuals, per-person seniority and tenure, and team benchmarks vs peers.

Market sentiment

What the market is saying about Horizon 3 AI

An AI-synthesized read of the highest-engagement posts about Horizon 3 AI on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

See Horizon 3 AI on the full Dealroom platform

Live deal flow, founder pedigree, hiring signals, revenue trajectory, and the full cap table.