Horizon3 Raises $250 Million To Advance AI-Driven CybersecurityHorizon3, an AI-powered cybersecurity firm based in San Francisco, raised $250 million in Series E funding, which it said would be used to further its international platform growth around the world. The investment supports expansion of Horizon3’s AI-native cybersecurity platform across international enterprise markets and customer operations. Funding Supports Global Expansion And Product InnovationThe funding supports global sales, marketing expansion, market growth, and autonomous cybersecurity technology development initiatives worldwide. Horizon3 will use the investment to strengthen its artificial intelligence-powered proactive security platform and accelerate innovation. Unlike annual assessments, the platform safely tests live production environments using fully automated security testing capabilities continuously.