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importantSYS.SOURCE: TechCrunch2026-08-03T12:50:46Z

Horizon3 Achieves $2B Valuation with $250M Series E Funding Amid Rising AI Security Demands

Cybersecurity startup Horizon3 secured $250M Series E funding at a $2B valuation, leveraging AI-driven vulnerability detection to address escalating enterprise security demands. Its NodeZero platform offers continuous, non-disruptive network testing amid growing concerns over AI-powered attack capabilities.

Cybersecurity startup Horizon3 raised $250 million at a $2 billion valuation as companies want continuous, AI-powered security validation instead of annual pentesting.

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