Insights

AI-powered resilience Horizon3.ai offers an AI-driven proactive security platform that autonomously tests defenses at machine speed and prioritizes exploitable paths, presenting a strong cross-sell to organizations seeking continuous, autonomous defense against AI-enabled attacks.

Proven enterprise traction With 5,000+ organizations including NSA, CISA, Fortune 100 entities, and major healthcare providers trusting NodeZero, there is a clear enterprise reference base to leverage in executive conversations and renewal sales.

Strategic partnerships Recent collaborations with World Wide Technology, Tesorion, and Brinqa, plus a joint Mythos Infrastructure Readiness Assessment with WWT, create joint-value pitches for channel-first and integration-led sales motions to expand reach.

Rapid regional expansion Expansion into the Netherlands and Western Europe, supported by a regional HQ, signals growth potential in EMEA and opportunities to align with local security mandates and MSPs seeking AI-native ransomware and threat prevention capabilities.

Financial readiness Reported revenue band of one to ten billion and substantial funding indicate strong scale and potential budget availability for expanded security programs, risk management, and integration projects with Brinqa and Brinqa-like platforms.

Horizon3.ai Tech Stack

Horizon3.ai uses 8 technology products and services including Visual Website Optimizer, Kubernetes, Amazon S3, and more. Explore Horizon3.ai's tech stack below.

  • Visual Website Optimizer
    Analytics
  • Kubernetes
    Containerization
  • Amazon S3
    Content Delivery Network
  • Google Workspace
    Email
  • Azure Active Directory
    Identity And Access Management
  • Cisco Meraki
    Network Hardware
  • UNIX Shell
    Operating Systems
  • The SEO Framework
    Search Engines

Media & News

Horizon3.ai's Email Address Formats

Horizon3.ai uses at least 1 format(s):
Horizon3.ai Email FormatsExamplePercentage
First.Last@horizon3.aiJohn.Doe@horizon3.ai
74%
FLast@horizon3.aiJDoe@horizon3.ai
13%
First@horizon3.aiJohn@horizon3.ai
9%
Last@horizon3.aiDoe@horizon3.ai
4%

Frequently Asked Questions

What is Horizon3.ai's official website and social media links?

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Horizon3.ai's official website is horizon3.ai and has social profiles on LinkedInCrunchbase.

How much revenue does Horizon3.ai generate?

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As of July 2026, Horizon3.ai's annual revenue is estimated to be $1B - $10B.

What is Horizon3.ai's NAICS code?

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Horizon3.ai's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Horizon3.ai have currently?

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As of July 2026, Horizon3.ai has approximately 458 employees across 6 continents, including North AmericaEuropeAsia. Key team members include Chief Revenue Officer (cro): M. H.Vice President Provider Partner Sales: M. I.Vice President Of Sales Apj: G. C.. Explore Horizon3.ai's employee directory with LeadIQ.

What industry does Horizon3.ai belong to?

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Horizon3.ai operates in the Computer and Network Security industry.

What technology does Horizon3.ai use?

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Horizon3.ai's tech stack includes Visual Website OptimizerKubernetesAmazon S3Google WorkspaceAzure Active DirectoryCisco MerakiUNIX ShellThe SEO Framework.

What is Horizon3.ai's email format?

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Horizon3.ai's email format typically follows the pattern of First.Last@horizon3.ai. Find more Horizon3.ai email formats with LeadIQ.

How much funding has Horizon3.ai raised to date?

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As of July 2026, Horizon3.ai has raised $179M in funding. The last funding round occurred on Jan 13, 2026 for $100M.

When was Horizon3.ai founded?

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Horizon3.ai was founded in 2019.
Horizon3.ai logo

Horizon3.ai

Computer and Network SecurityCalifornia, United States201-500 Employees

Horizon3.ai is a San Francisco–based cybersecurity company focused on offensive security and resilience against AI-powered threats. Its NodeZero platform automates defenses testing at machine speed, identifies exploitable attack paths, verifies fixes, and operates in a continuous loop to demonstrate real resilience. The product was built by a team of U.S. cyber veterans and has been honed through hundreds of thousands of production-safe tests, more than traditional manual pentests. Its customers include government agencies such as the NSA and CISA, as well as Fortune 100 firms and major healthcare providers. Horizon3.ai has received industry recognition, including Fast Company's World's Most Innovative Companies in 2026 and top rankings on the Deloitte Technology Fast 500 (2025) and the Inc. 5000 (2025). In June 2026, the company announced an integration with Brinqa to combine attack-path insights with remediation orchestration capabilities.

Section iconCompany Overview

NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2019
Employees
201-500

Section iconFunding & Financials

  • $179M

    Horizon3.ai has raised a total of $179M of funding over 6 rounds. Their latest funding round was raised on Jan 13, 2026 in the amount of $100Mas a series_unknown.

  • $1B - $10B

    Horizon3.ai's revenue is estimated to be in the range of $1B - $10B

Section iconFunding & Financials

  • $179M

    Horizon3.ai has raised a total of $179M of funding over 6 rounds. Their latest funding round was raised on Jan 13, 2026 in the amount of $100Mas a series_unknown.

  • $1B - $10B

    Horizon3.ai's revenue is estimated to be in the range of $1B - $10B

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