Twenty
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Investors
Founders
About
Twenty is an Arlington, Virginia-based defense technology company building AI-enabled offensive cyber warfare systems for the United States military and its allies 12. The company describes its product as an end-to-end platform that combines AI and automation with controlled deployment, evaluation, and mission alignment in order to industrialize offensive cyber capabilities 1. Twenty was founded in 2024 and is led by co-founder and CEO Joe Lin 12.
Funding History
| Date | Round | Amount | Lead | Co-investors |
|---|---|---|---|---|
| 2026-06-17 | Series B | $100M | Accel | Friends & Family Capital, Point72 Ventures, Caffeinated Capital 12345 |
The Series B valued Twenty at $1 billion and brought total disclosed funding to $138 million 12345. The company said it will direct the capital toward research and engineering to scale its AI-enabled cyber capabilities 2.
What Investors Say
Jonathan Turner, Partner at Accel: “Twenty is the clear leader in this market: the team is unmatched, the mission is urgent and timely, and the company has reached operational relevance at a pace rarely seen in defense technology” 1.
Colin Anderson, Founding Partner at Friends & Family Capital: “The company has moved with commercial urgency in one of the government’s most sensitive and consequential mission areas, which is extraordinarily difficult to do” 1.
What Founders Say
Joe Lin, co-founder and CEO: “This round is extraordinary validation from some of the world’s foremost investors, and we are pouring this funding directly into research and engineering” 2.
Joe Lin, co-founder and CEO, in the press release: “America is under sustained cyber attack, and our adversaries have learned—correctly—that those attacks rarely carry consequences” 1.
Sources
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Twenty press release via PR Newswire, “America’s First VC-Backed Cyber Warfare Startup Raises $100M Series B at $1B Valuation,” June 17, 2026. Accessed June 2026. https://www.prnewswire.com/news-releases/americas-first-vc-backed-cyber-warfare-startup-raises-100m-series-b-at-1b-valuation-302802401.html↩↩↩↩↩↩↩↩
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GovCon Wire, “Cyber Warfare Startup Twenty Raises $100M in Series B Funding Round,” June 17, 2026. Accessed June 2026. https://www.govconwire.com/articles/twenty-100m-series-b-round-ai-cyber-warfare↩↩↩↩↩↩
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The SaaS News, “Twenty Raises $100M Series B,” June 17, 2026. Accessed June 2026. https://www.thesaasnews.com/news/twenty-raises-100m-series-b/↩↩
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SiliconANGLE, “AI cyber warfare startup Twenty raises $100M at $1B valuation,” June 17, 2026. Accessed June 2026. https://siliconangle.com/2026/06/17/ai-cyber-warfare-startup-twenty-raises-100m-1b-valuation/↩↩
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The Next Web, “Twenty: cyber warfare startup hits $1bn on $100M raise,” June 17, 2026. Accessed June 2026. https://thenextweb.com/news/a-startup-that-builds-offensive-cyber-weapons-just-became-a-1bn-unicorn↩↩