XBOW has secured $35m in an extension to its Series C funding round from a group of strategic investors that includes several of its own customers.
The additional financing was provided by Accenture Ventures, DNX Ventures, Liberty Global Tech Ventures, NVentures — the venture capital arm of NVIDIA — Samsung Ventures, and SentinelOne S Ventures.
The raise builds on the company’s previously announced $120m Series C, bringing the total raised by XBOW to more than $270m. The round reflects a notable trend among major enterprises that are choosing not only to deploy XBOW’s platform but to back it financially as they look to stay ahead of increasingly sophisticated AI-powered attacks.
The company currently serves over 100 customers globally, among them several of the strategic investors in this round, as well as organisations such as Moderna and Seznam. XBOW now employs more than 250 people and continues to expand its go-to-market, engineering, and operations functions in response to growing enterprise demand.
The fresh capital will further drive XBOW’s international growth strategy. DNX Ventures brings regional networks and expertise across Asia Pacific, while Samsung is acting as a preferred reseller for XBOW in South Korea. Together, these partnerships are expected to broaden the company’s distribution channels and accelerate adoption in the region.
XBOW’s platform applies AI to identify and exploit vulnerabilities in applications in the same manner that attackers would, operating on a continuous basis rather than as a one-time penetration test. It delivers validated findings with a low false-positive rate and is also able to confirm whether vulnerabilities flagged by other security tools are genuinely exploitable, helping security teams avoid chasing false alarms.
As software development cycles accelerate, the company positions continuous offensive testing as an essential component of the modern security stack — enabling organisations to validate more frequently, reduce backlogs, and stay ahead of threats rather than respond to them after the fact.
XBOW founder and CEO Oege de Moor said, “We’re learning in real time from teams operating at massive scale, and using that insight to build faster for defenders on the front lines. The strongest alignment is when your customers are also in the trenches with you as investors and partners.”
SentinelOne director of corporate development & ventures Alex Krongold said, “The attacker’s point of view is foundational to defense, but difficult to operationalize. XBOW changes this by surfacing exploitable and novel findings at machine speed. Each XBOW agent operates like an extension of our in-house red team, allowing us to scale offensive testing with speed and depth that was previously out of reach.”
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