Armadin Raises $255.5 Million Series B to Scale Effective Autonomous Security
The round values the AI-native cybersecurity company at more than $2.5 billion as it expands offensive security tools, research and sales.
- On Thursday, October 1, 2026, Armadin announced it raised $255.5 million in Series B funding, bringing the AI-native cybersecurity company's valuation to over $2.5 billion.
- Seven months after emerging from stealth, Armadin deploys autonomous swarms of agents to chain low-severity weaknesses into validated kill chains, serving Fortune 500 enterprises and government customers.
- CEO Kevin Mandia stated, "Offense is uniquely advantaged right now," explaining that AI models compress the time between vulnerability disclosure and exploitation, making traditional penetration tests insufficient.
- Andreessen Horowitz and Accel co-led the round, with participation from new investors Bain Capital Ventures and Redpoint, bringing Armadin's total funding to $445 million.
- Armadin plans to use the investment to scale its agentic security platform and expand research, training, and go-to-market efforts to address escalating AI-driven threats.
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AI cybersecurity startup: AI cybersecurity startup Armadin valued at over $2.5 billion after new funding round
Armadin, a cutting-edge player in AI-driven cybersecurity solutions, has secured an impressive $255.5 million through a Series B funding round, boosting its valuation to over $2.5 billion. This funding round attracted high-profile investors such as Andreessen Horowitz, Accel, and Bain Capital Ventures, increasing Armadin's total funding to $445 million. The fresh capital will enable the company to amplify its platform and enhance its research an…
PR Newswire
cioinfluence.comArmadin Raises $255.5 Million Series B to Scale Effective Autonomous Security
/PRNewswire/ -- Armadin, an AI-native cybersecurity company building effective autonomous security, today announced it has raised $255.5 million in Series B...
Kevin Mandia’s Armadin raises $255.5M for AI agent swarms that attack your network first
Armadin's proactive AI-driven approach could redefine cybersecurity, emphasizing preemptive defense strategies over traditional reactive measures. The post Kevin Mandia’s Armadin raises $255.5M for AI agent swarms that attack your network first appeared first on Crypto Briefing .
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