Thorsten Holz is a Ph.D. student at the Laboratory for Dependable Distributed Systems at the University of Mannheim, Germany. He is one of the founders of the German Honeynet Project and a member of the Steering Committee of the Honeynet Research Alliance. His research interests include the practical aspects of secure systems, but he is also interested in more theoretical considerations of dependable systems. Currently, his work concentrates on bots/botnets, client honeypots, and malware in general. He regularly blogs at http://honeyblog.org.