Sven made several stops at big consultant companies and small boutique firms in Germany and Singapore and became specialised in Application Security and has supported and guided software development projects for Mobile and Web Applications during the whole SDLC. Besides his day job Sven is one of the core project leaders and authors of the OWASP Mobile Security Testing Guide and OWASP Mobile Application Security Verification Standard and has created the OWASP Mobile Hacking Playground. Sven is giving talks and workshops about Mobile and Web Application Security worldwide to different audiences, ranging from developers to students and penetration testers. LinkedIn: Ryan Teoh (OSCE, OSCP, CRT) is a Security Engineer at Grab with a strong focus on Mobile Security. He spends a considerable amount of time in iOS kernel exploitation, contributing to the iOS security testing chapter and the iOS Crackmes which are part of the OWASP Mobile Security Testing Guide. That aside, he is active on both private and public bug bounty programs and has successfully bagged several critical mobile security bugs. Ryan is a strong believer in knowledge sharing - initiated a security blog on top of facilitating workshops to security engineers, developers and students about mobile security, dynamic instrumentation and reverse engineering of mobile applications. LinkedIn: