Jos Wetzels is a Research Assistant with the Distributed and Embedded System Security (DIES) Group at the University of Twente. He currently works on projects aimed at hardening embedded systems used in critical infrastructure, where he focuses on binary security in general and exploit development and mitigation in particular, and has been involved in research regarding on-the-fly detection and containment of unknown malware and Advanced Persistent Threats. He has assisted teaching hands-on offensive security classes for graduate students at the Dutch Kerckhoffs Institute for several years.