Horizon3 hits $2 billion valuation with $250M Series E as AI threats escalate

Horizon3, a cybersecurity startup specialising in AI-driven autonomous penetration testing, raised $250 million Series E at a $2 billion valuation amid accelerating AI-enabled cyber threats. The company is expanding internationally and targeting continuous, full-network security testing as enterprises move away from traditional annual vulnerability assessments.

This Wire brief sits within Fusion42's coverage of Cybersecurity.