AI-Native Proactive Security and Autonomous Penetration Testing

Horizon3.ai, the AI-native proactive security company behind NodeZero®, delivers autonomous penetration testing and attack validation at machine speed. NodeZero, the world's best AI hacker™, safely performs real attacks across internal, external, cloud, hybrid, and identity environments to uncover exploitable attack paths, credential weaknesses, toxic combinations, and misconfigurations that adversaries would use to compromise critical systems and data.

Unlike traditional pentesting or exposure management tools that rely on assumptions, simulations, or theoretical risk scores, NodeZero proves what is actually exploitable in production environments without requiring agents, appliances, or prior knowledge of the network. Organizations can deploy and begin testing in minutes, continuously validating defenses against ransomware operators, nation-state tradecraft, and modern attack techniques.

For every finding, NodeZero provides evidence of exploitation, complete attack path visibility, and clear remediation guidance so security teams can prioritize what matters most. Teams can then immediately retest fixes on-demand to verify remediation and maintain a continuous hack, fix, verify loop. Trusted by more than 5,500 organizations, including the NSA, CISA, Fortune 100 enterprises, major healthcare providers, and critical infrastructure operators, Horizon3.ai helps organizations continuously strengthen resilience through attacker-driven security validation.