Günter Schäfer studied computer science at Universitaet Karlsruhe, Germany, from 1989 to 1994. Between 1994 and 1999, he was researcher at the Institute of Telematics, Universitaet Karlsruhe. After obtaining his Ph.D. degree (1998) he worked at Ecole Nationale Supérieure des Télécommunications, Paris, France (1999 - 2000). Between 2000 and 2005, he was a researcher at Technische Universitaet Berlin in the Telecommunication Networks Group. Since 2005 he is full professor of computer science at the Technische Universität Ilmenau, leading the Telematics/Computer Networks research group. His research interests lie in the areas of network security, networking protocols, mobile communications, and innovative communication services/architectures, and he regularly gives courses on network security, networking subjects and basics of computer science (programming, algorithms etc.).

Please direct any questions in relation to this book to: securitybook@guenterschaefer.de

Michael Rossberg studied computer science at Technische Universitaet Ilmenau, Germany, from 2002 to 2007. Since 2007 he is a researcher at the Telematics/Computer Networks research group. In 2011 he obtained his Ph.D. in computer science with a thesis on peer-to-peer-based auto-configuration of large scale IPsec VPNs. His research interests lie in network security, resilience against denial-of-service attacks, and performance evaluation/optimization. Since December 2013 he serves as a lecturer – also in the Telematics and Computer Networks research group.