Twenty Technologies reaches $1B valuation; defense cyber-warfare startup closes $100M Series B
Twenty Technologies, an AI-powered cyber-warfare startup, closed a $100 million Series B round led by Accel, bringing the company to a $1 billion valuation. The round included participation from Friends & Family Capital, Point72 Ventures, and Caffeinated Capital. Twenty's total funding to date is $138 million. Founded in 2024 by CEO Joseph Lin (formerly VP of Product at Palo Alto Networks) and a team of decorated veterans and elite cyber operators, the company builds AI-enabled offensive cyber operations systems for the U.S. military and intelligence community.
Twenty develops AI agents and end-to-end systems that automate and scale offensive cyber operations—detecting vulnerabilities, scanning targets, and suggesting courses of action to human operators. The company has already secured real contracts: a $12.6 million contract with US Cyber Command and a $240,000 research agreement with the Navy. CEO Lin framed the funding as accelerating R&D and the existing roadmap, emphasizing that offensive cyber must be 'industrialized' at machine speed and global scale. Twenty is one of a growing wave of venture-backed startups building software for military and defense purposes.
For practitioners, Twenty's Series B at a $1B valuation signals that the defense tech market is attracting significant capital and that AI-enabled offensive cyber capabilities are now recognized as strategic infrastructure by both government and venture investors. The company's existing government contracts and elite team pedigree reduce commercialization risk compared to other defense startups. The Trump administration's recent promotion of offensive cyber as a national priority has likely accelerated investor appetite for Twenty and similar defense-tech plays.