Horizon3.ai
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Location
Headquarters: San Francisco, California, United States, North America
Region: California
Country: US
Continent: North America
About
Horizon3.ai is a cybersecurity company that offers NodeZero, an autonomous offense-focused security platform designed to continuously assess, fix, and verify an organization’s security posture. The company specializes in pentesting across on‑premises, cloud, and hybrid environments with internal, external, Kubernetes, and AD password auditing capabilities, backed by threat-informed perspectives. Its solutions target industries including government, financial services, and healthcare, and emphasize rapid, production-scale testing to expose exploitable pathways. Horizon3.ai also provides complementary threat intelligence, vulnerability risk guidance, and rapid response capabilities to help security teams prioritize remediation.
Horizon3.ai provides NodeZero, an autonomous offensive security platform that continuously assesses, fixes, and verifies an organization's attack surface across on-premises, cloud, and hybrid environments. The company targets security teams in industries such as government, financial services, and healthcare by offering production-safe pentesting and vulnerability risk guidance without requiring a
Horizon 3 AI, inc
2019
for_profit
active
Industries
Primary Industry: Business Services
Categories
Funding & Financials
Series D
82000000
1m-10m
private
Investors
Founders
Anthony Pillitiere
Snehal Antani
Leadership
Technology Stack
Products
NodeZero® Offensive Security Platform: An autonomous penetration testing platform that performs continuous, comprehensive security assessments across on-premises, cloud, and hybrid environments without human intervention.
NodeZero Tripwires™: A threat detection system that deploys automated honeytokens to detect and protect against exploitable exposures and malicious activity in the environment.
NodeZero Rapid Response™: A zero-day and N-day vulnerability alerting service that provides early warnings and tailored threat intelligence for emerging risks relevant to the user’s environment.
NodeZero Insights™: A unified risk reporting tool that aggregates data from continuous testing to show security posture trends and organizational risk over time.
Internal Pentesting: A penetration test conducted within an organization’s internal network using a Docker host deployed on-premises to identify exploitable vulnerabilities.
External Pentesting: A penetration test targeting an organization’s public-facing assets, executed from the Horizon3.ai cloud without requiring on-premises deployment.
Funding rounds
Series Unknown · (2026-01-13) · Lead: Prosperity7 Ventures
Series D · $100M · (2025-05-22) · Lead: New Enterprise Associates
Series C · $40M · (2023-08-08) · Lead: Craft Ventures
