Xbow Secures $120 Million for AI-Driven Offensive Security at Over $1 Billion Valuation
March 19, 2026, 9:36 pm
Location: United Kingdom, England, Westminster
Employees: 11-50
Founded date: 1996
Xbow secures $120 million in Series C funding, exceeding a $1 billion valuation. This investment propels its AI-powered automated offensive security platform. Xbow’s technology transforms traditional penetration testing. Its AI agents detect and validate software vulnerabilities at machine speed. This offers continuous, comprehensive defense against sophisticated cyber threats. The funding targets global market expansion, enterprise growth, and advanced platform development. Xbow, founded by GitHub Copilot's creator, is a critical innovation in modern cybersecurity strategies, offering proactive threat identification. It shifts security from reactive to predictive, securing systems against increasingly complex attacks.
Xbow dramatically reshapes the cybersecurity landscape. The company announced a substantial funding round. It secured $120 million in Series C financing. This investment places Xbow's valuation above $1 billion. DFJ Growth and Northzone led the significant round. Other key investors participated. These included Sofina, Alkeon Capital, Altimeter, NFDG Ventures, and Sequoia Capital. This capital infusion signals a strong belief in Xbow's autonomous offensive security platform. It fuels the startup's ambitious growth plans.
Traditional cybersecurity faces immense challenges. Cyber threats intensify daily. Attackers deploy sophisticated techniques. Manual penetration testing struggles to keep pace. These evaluations are costly. They consume significant time, often weeks. Human testers frequently miss subtle vulnerabilities. Edge cases, unlikely but risky scenarios, go undetected. Rapid software development cycles exacerbate the problem. New code introduces new weaknesses constantly. AI-driven attackers further complicate defenses. Enterprises need dynamic, immediate protection. They need a proactive stance.
Xbow delivers this crucial shift. Its platform offers automated offensive security. AI agents perform comprehensive penetration tests. This technology mimics real-world attack techniques. It identifies vulnerabilities at machine speed. Security assessments reduce from weeks to mere hours or days. Xbow's system scans applications thoroughly. It covers vast numbers of edge cases. This comprehensive analysis is unprecedented in traditional methods. The platform validates potential vulnerabilities. It filters out false positives effectively. Only realistic exploit chances generate alerts.
The AI agents develop elaborate attack chains. One simulated cyberattack comprised 48 distinct exploits. It targeted a server-side request forgery (SSRF) vulnerability. This demonstrated multi-step breach capabilities. In another instance, Xbow decrypted AES-128 encryption. It completed this complex task in just 17.5 minutes. This showcased its speed and precision. The platform operates safely within live production environments. It maintains a remarkably low false-positive rate. This ensures operational stability while delivering robust security.
Xbow’s origins highlight its innovative core. Oege de Moor founded the company in January 2024. He is the creator behind GitHub Copilot and GitHub Advanced Security. His expertise in AI and development security underpins Xbow's technology. The company rapidly gained significant traction. Fortune 500 companies now rely on Xbow. It quickly reached the pinnacle of the HackerOne leaderboard. This success validates its technology and market demand.
The platform offers tailored security solutions. Users customize penetration tests. They provide specific instructions to the AI. This allows focus on new features or critical updates. Engineers can optionally provide source code. This grants the AI agents a deeper understanding. It helps uncover hidden vulnerabilities. Xbow offers multiple product editions. Plus and Premium versions provide one-time scans for single applications. Xbow Enterprise delivers continuous monitoring for entire workloads. An API seamlessly streams test results. This integrates Xbow with existing cybersecurity tools.
The new funding will accelerate Xbow's global footprint. International market expansion is a primary objective. The company targets broader enterprise adoption. Significant investment will enhance platform capabilities. Feature development remains a core focus. Xbow aims to stay ahead of evolving cyber threats. The company strengthens its leadership team. Ramin Sayar, Venture Partner at DFJ Growth, joined the board of directors. He brings extensive industry experience. Key executive hires boost marketing, legal, revenue, and international operations.
Xbow redefines modern cybersecurity strategies. It champions a shift from reactive to proactive defense. Autonomous offensive security becomes a critical component. Organizations can anticipate and neutralize threats. They no longer merely react to breaches. Xbow's platform prepares enterprises for AI-driven attacks. Its mission-critical technology becomes an essential security layer. The company empowers defenders with machine speed. It transforms the fight against cyber adversaries. Xbow leads the next generation of digital security. It secures the future.
Xbow dramatically reshapes the cybersecurity landscape. The company announced a substantial funding round. It secured $120 million in Series C financing. This investment places Xbow's valuation above $1 billion. DFJ Growth and Northzone led the significant round. Other key investors participated. These included Sofina, Alkeon Capital, Altimeter, NFDG Ventures, and Sequoia Capital. This capital infusion signals a strong belief in Xbow's autonomous offensive security platform. It fuels the startup's ambitious growth plans.
Traditional cybersecurity faces immense challenges. Cyber threats intensify daily. Attackers deploy sophisticated techniques. Manual penetration testing struggles to keep pace. These evaluations are costly. They consume significant time, often weeks. Human testers frequently miss subtle vulnerabilities. Edge cases, unlikely but risky scenarios, go undetected. Rapid software development cycles exacerbate the problem. New code introduces new weaknesses constantly. AI-driven attackers further complicate defenses. Enterprises need dynamic, immediate protection. They need a proactive stance.
Xbow delivers this crucial shift. Its platform offers automated offensive security. AI agents perform comprehensive penetration tests. This technology mimics real-world attack techniques. It identifies vulnerabilities at machine speed. Security assessments reduce from weeks to mere hours or days. Xbow's system scans applications thoroughly. It covers vast numbers of edge cases. This comprehensive analysis is unprecedented in traditional methods. The platform validates potential vulnerabilities. It filters out false positives effectively. Only realistic exploit chances generate alerts.
The AI agents develop elaborate attack chains. One simulated cyberattack comprised 48 distinct exploits. It targeted a server-side request forgery (SSRF) vulnerability. This demonstrated multi-step breach capabilities. In another instance, Xbow decrypted AES-128 encryption. It completed this complex task in just 17.5 minutes. This showcased its speed and precision. The platform operates safely within live production environments. It maintains a remarkably low false-positive rate. This ensures operational stability while delivering robust security.
Xbow’s origins highlight its innovative core. Oege de Moor founded the company in January 2024. He is the creator behind GitHub Copilot and GitHub Advanced Security. His expertise in AI and development security underpins Xbow's technology. The company rapidly gained significant traction. Fortune 500 companies now rely on Xbow. It quickly reached the pinnacle of the HackerOne leaderboard. This success validates its technology and market demand.
The platform offers tailored security solutions. Users customize penetration tests. They provide specific instructions to the AI. This allows focus on new features or critical updates. Engineers can optionally provide source code. This grants the AI agents a deeper understanding. It helps uncover hidden vulnerabilities. Xbow offers multiple product editions. Plus and Premium versions provide one-time scans for single applications. Xbow Enterprise delivers continuous monitoring for entire workloads. An API seamlessly streams test results. This integrates Xbow with existing cybersecurity tools.
The new funding will accelerate Xbow's global footprint. International market expansion is a primary objective. The company targets broader enterprise adoption. Significant investment will enhance platform capabilities. Feature development remains a core focus. Xbow aims to stay ahead of evolving cyber threats. The company strengthens its leadership team. Ramin Sayar, Venture Partner at DFJ Growth, joined the board of directors. He brings extensive industry experience. Key executive hires boost marketing, legal, revenue, and international operations.
Xbow redefines modern cybersecurity strategies. It champions a shift from reactive to proactive defense. Autonomous offensive security becomes a critical component. Organizations can anticipate and neutralize threats. They no longer merely react to breaches. Xbow's platform prepares enterprises for AI-driven attacks. Its mission-critical technology becomes an essential security layer. The company empowers defenders with machine speed. It transforms the fight against cyber adversaries. Xbow leads the next generation of digital security. It secures the future.