Horizon3.ai

Horizon3.ai is a San Francisco-based cybersecurity company founded in 2019 by former US Special Operations and National Security veterans. The company builds NodeZero, an autonomous penetration testing platform that runs continuous, agentless attack simulations across enterprise networks, cloud environments, and Active Directory. NodeZero serves over 5,200 organizations, underpins the NSA Continuous Autonomous Penetration Testing (CAPT) program, and holds FedRAMP High authorization for federal use.