Horizon3 Reaches Two Billion Valuation as Automated Defense Demand Surges

By Kate Park · TechCrunch · 2026-08-03

TechCrunch reports that Horizon3 has secured $250 million in Series E funding, tripling its market value in just over a year. The San Francisco startup is scaling its NodeZero platform to help companies conduct continuous, automated security testing across their entire networks.

TechCrunch reports that Horizon3 has secured $250 million in Series E funding, tripling its market value in just over a year. The San Francisco startup is scaling its NodeZero platform to help companies conduct continuous, automated security testing across their entire networks.