Dingjie Daniel Yang is an Application Security Engineer with experience in both a security company and a startup. He devotes a significant portion of his personal time to researching and evaluating the most recent vulnerabilities, all while collecting real-time web performance data to enhance the security of web applications and their respective environments. With a strong passion for penetration testing and security bug hunting, Dingjie Yang has achieved success in discovering multiple vulnerabilities in well-known web applications such as Joomla, PHPBB, Moodle, and more. If you wish to explore his earlier research in detail, you can refer to the Qualys Community blog.