Independent cybersecurity researcher with 15+ years of experience in web application security. Creator of KNOXSS, the industry-leading automated XSS detection tool used by hundreds of security professionals worldwide.

Has helped fix over 1,000 XSS vulnerabilities including discoveries in major companies like Oracle, Samsung, Uber, Apple, Amazon, and Microsoft. Recognized as a Top 200 Global Cybersecurity Influencer by CheckPoint/Perimeter 81.

International speaker at conferences including DEFCON and Ekoparty. Author of the widely-adopted Brute XSS Cheat Sheet series with a philosophy that security research should push beyond conventional approaches.