Joffrey Guilbon is a Security Researcher at Quarkslab working on mobile and embedded systems. His usual work includes low-level systems, reverse engineering (on several targets such as operating systems, trusted execution environment components, secure boot implementations, bootroms, etc.), vulnerability research, binary exploitation, and tools development to ease things out. In his free time he enjoys participating in Capture The Flag (CTF) competitions and in open-source projects (IDArling for example).