Horizon3.AI
-
Snehal Antani and Anthony Pillitiere
-
2019
-
San Francisco, CA
-
251-500 Employees
-
$178.5M, Venture Series Unknown
Overview
Founded in 2019 by former US special-ops cyber operators, Horizon3.ai is an offensive-security company with NodeZero, running autonomous, production-safe penetration testing.
Key Technology Insights
Rather than flagging theoretical vulnerabilities, NodeZero acts like a real attacker, surfacing what can actually be exploited. It runs safely in production, on-premise, cloud or hybrid, testing tens of thousands of assets in weeks. As a defensive measure, tripwires plant fake credentials across the enterprise, alerting misuse.
Industry Application
Horizon3 is most established in production-safe pentesting for enterprises and banks, including the NHS and Lloyd's Bank. NodeZero targets credential abuse and Active Directory exploitation, and its Tripwires alerted one defence partner to a live breach within 30 minutes. It integrates with ServiceNow, Jira, CrowdStrike and SentinelOne.
Strategic Perspective
Horizon3’s advantage is the attacker's-eye view, production-safe autonomy and national-security roots. Established and scaling, its opportunity is government and defence, though data sovereignty remains unsolved for allied markets.
