Rafael has studied computer science with a specialization in telecommunication at the Bonn-Rhein-Sieg University of Applied Sciences (Department of Computer Science). His research interests include network and IPv6 security issues. He wrote his (highly rated) bachelor thesis on “IDS – Recognition and Validation of IPv6 Extension Header” and works as a security analyst at ERNW GmbH. He has presented on IPv6 security issues at several occasions, incl. Black Hat Sao Paulo, Black Hat Asia, Black Hat Europe, Troopers and Hack.lu.