Horizon3 Raises $250M Series E at $2B+ Valuation to Lead the “AI vs. AI” Cybersecurity Era
Horizon3, the AI-Native Proactive Security Company behind NodeZero®, the World’s Best AI Hacker™, today announced a $250 million Series E at a valuation of more than $2 billion, tripling its valuation from $650 million at Series D in just over a year. The oversubscribed round was co-led by existing investors NightDragon and NEA, with participation from seven new investors and five returning backers. The capital underscores accelerating global demand for safe, autonomous security validation as AI-driven cyberattacks escalate.
Horizon3's NodeZero® AI Hacker Extends Production-Safe Autonomous Pentesting to Web Applications
Horizon3 today announced the expansion of its NodeZero® platform with AI-powered web application pentesting capabilities. NodeZero, the world’s most experienced AI hacker, can now autonomously and safely test web applications the way real attackers operate, chaining vulnerabilities from application abuse through credential theft, lateral movement, cloud pivots, and sensitive data exposure.
