Twenty logo. Twenty has raised $100 million in Series B funding round to advance its AI-enabled cyber capabilities.

Cyber Warfare Startup Twenty Raises $100M in Series B Funding Round

  • Twenty has closed a $100 million Series B funding round
  • Series B has brought Twenty’s total funding to $138 million
  • The Potomac Officers Club’s 2026 DOW summits will feature discussions about AI, cyber resilience and more

Cybersecurity company Twenty has secured $100 million in a round of Series B financing led by Accel to expand its artificial intelligence-enabled offensive cyber capabilities for the U.S. military and intelligence Community.

Cyber Warfare Startup Twenty Raises $100M in Series B Funding Round

As investment accelerates across cyber warfare and defense technologies, broader momentum is also building around digital modernization and national security innovation. Two upcoming Potomac Officers Club events will bring together senior leaders to explore these priorities in depth. Register now for the 2026 Air and Space Summit on July 30, followed by the 2026 Navy Summit on Aug. 27, with sessions focused on AI, cyber resilience and digital modernization.

The company said Wednesday it has reached a $1 billion valuation with the latest funding round.

What Are the Details of the Series B Funding Round?

Friends & Family Capital, Point72 Ventures and Caffeinated Capital participated in the Series B funding round, which has brought Twenty’s total funding to $138 million.

Series B builds on earlier financing rounds led by Caffeinated Capital and Tim Junio, co-founder and CEO of Expanse, which was acquired by Palo Alto Networks for $1.25 billion in 2020. Additional early support came from investors, including In-Q-Tel and General Catalyst.

What Did Twenty CEO Joe Lin Say About the Funding Round?

Joe Lin, co-founder and CEO of Twenty, said the company is developing AI-enabled capabilities designed to help warfighters disrupt cyberthreats at their origin.

“This round is extraordinary validation from some of the world’s foremost investors, and we are pouring this funding directly into research and engineering,” added Lin.

What Does Twenty Do?

Twenty is a venture capital-backed cybersecurity startup focused on building AI-enabled, end-to-end cyber warfare systems for the U.S. and its allies.

Established in 2024, the company works to industrialize offensive cyber capabilities by combining AI and automation with controlled deployment, evaluation and mission alignment.

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