Khalil is a passionate penetration tester and security consultant with a big curiosity for technical topics, especially in the field of IT security. He performs security assessments for major companies especially in the field of web, infrastructure and SAP security. Placed 2nd in the German Post IT Security Cup 2015 and carries the Mint award 2016 in the field of Cybersecurity. Author of the "Web Application Firewall Bypassing - an approach for penetration testers" paper which was presented at several international conferences. Publisher of the open-source tool WAFNinja which is used by security experts world-wide.