Armadin, Kevin Mandia's New Security Startup, Raises $255.5M at a $2.5B Valuation
Kevin Mandia, the founder of cybersecurity firm Mandiant (acquired by Google in 2022), has raised $255.5 million for his new startup Armadin in a Series B funding round led by Andreessen Horowitz and Accel. The company is valued at over $2.5 billion following this latest investment, which brings its total fundraising to more than $445 million since March 2026. Armadin aims to revolutionize enterprise security with an AI-driven approach using 'agent swarms' that continuously test and identify vulnerabilities in real time. Unlike traditional penetration testing methods, Armadin's system simulates attacks by chaining together weaknesses before malicious actors can exploit them. The startup is positioning itself as a leader in the next generation of cybersecurity solutions tailored for the AI era. The funding round includes participation from major venture capital firms such as Bain Capital Ventures and Google Ventures, signaling strong industry confidence in Armadin's innovative approach to security.
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