XBOW, a Seattle, WA-based autonomous offensive security company, has secured an additional $35 million in funding. 

The raise extends its previously announced $120 million Series C round,  bringing the total Series C financing to $155 million.

Investors 

The additional funding came from Accenture Ventures, DNX Ventures, Liberty Global Tech Ventures, NVentures, Samsung Ventures, and SentinelOne S Ventures. 

XBOW Use of Funds 

The company will use the funding to accelerate go-to-market expansion, international growth, partner ecosystem development, and the scaling of its engineering and operations teams. 

About XBOW 

Founded in 2024 by Oege de Moor, XBOW is a cybersecurity company specializing in AI-powered autonomous offensive security, redefining cyber defense for the AI era. The company develops AI-driven systems that continuously test applications for vulnerabilities using adversarial workflows modeled on real-world attack techniques. XBOW’s platform helps organizations conduct continuous offensive testing, validate exploitability with low false-positive rates, and proactively defend against increasingly sophisticated AI-driven cyberattacks. Headquartered in Seattle, Washington, XBOW serves more than 100 global customers, including enterprises such as Moderna and Seznam. 

Funding Details 

Company: XBOW USA Inc. 

Raised: $35.0M 

Round: Series C Extension 

Funding Date: May 2026 

Investors: Accenture Ventures, DNX Ventures, Liberty Global Tech Ventures, NVentures, Samsung Ventures, and SentinelOne S Ventures 

Company Website: https://xbow.com/  

Software Category: Autonomous Offensive Security Platform 

Source: https://xbow.com/news/xbow-secures-additional-35m-from-strategic-investors