Erdal Cay rc graduated from the Army Academy in 1986 and from the Royal Military Academy, Sandhurst in 1989. He received his MS degree from the Middle East Technical University and a PhD from Bogazici University both in computer engineering in 1995 and 2000, respectively. He retired from the army when he was a colonel in 2005. He was an Associate Professor at Istanbul Technical University, Yeditepe University and the Naval Sciences and Engineering Institute between 2001 and 2005. Also in 2001, he was a visiting researcher for the Broadband and Wireless Networking Laboratory and a visiting lecturer at the School of Electrical and Computer Engineering, Georgia Institute of Technology. He is currently Chief, CAX Support Branch in NATO's JointWarfare Center in Stavanger, Norway, and also a professor in the Electrical and Computer Engineering Department of the University of Stavanger. His research interests include military constructive simulation, sensor networks, mobile communications and tactical communications. Professor Cay rc has acted as an editor of the journals IEEE Transactions on Mobile Computing, Ad Hoc Networks and Wireless Networks, and has guest edited four special issues of Computer Networks, Ad Hoc Networks and Special Topics in Mobile Networking and Applications (MONET). He received the 2002 IEEE Communications Society Best Tutorial Paper Award for his paper entitled 'A Survey on Sensor Networks' published in the IEEE Communications Magazine in August 2002, the Fikri Gayret Award from the Turkish Chief of General Staff in 2003, the Innovation of the Year Award from the Turkish Navy in 2005 and the Excellence Award in ITEC in 2006. Chunming Rong received his bachelors, masters and PhD degrees in Computer Science from the University of Bergen in Norway in 1993, 1995 and 1998, respectively. In 1995-1998, he was a research fellow at the University of Bergen. In 2001-2003, he was a post-doctoral researcher funded by Simula Research Laboratory. Currently, he is a Professor and chair of the computer science section at the University of Stavanger. He has also served as an adjunct Professor at the University Graduate Centre, University of Oslo, since 2005. Professor Rong was given the ConocoPhilips Communication Award (Norway) in 2007. His paper 'New Infinite Families of 3-Designs from Preparata Codes over Z4' was awarded Editor's Choice in Discrete Mathematics in 1999. He is an associate editor of the International Journal of Computer Science & Applications (IJCSA) and served on the editorial board of the International Journal of Mobile Communications (IJMC) between 2003 and 2006. For the IEEE International Symposium on Security in Networks and Distributed Systems (SSNDS), he was program chair in 2007 in Canada and general chair in 2008. For the International Conference on Autonomic and Trusted Computing (ATC), he was award chair in 2007 in Hong Kong and general chair in 2008 in Norway. For the International Conference on Ubiquitous Intelligence and Computing (UIC), he was general chair in 2008 in Norway. Professor Rong was chairman of the board of the Foundation of the Norwegian Computer Science Conference (NIK) from 2005-2007, a board member of the Norwegian Information Security Network (NISNet) from 2007-2011 and a member of the Norwegian Informatics Council (Nasjonalt fagrad for informatikk). He has also been a member of the board for the 'ICT Security and Vulnerability (IKT-SoS)' program at the Research Council of Norway. He also currently serves in the workgroup for Information Security in Integrated Operation at the Norwegian Oil Industry Association (OLF). As project manager, he has received grants from the Research Council of Norway for the projects 'Integration of Data Processing in Oil and Gas Drilling and Completion' for 2008-2010, 'Secure and Reliable Wireless and Ad Hoc Communications (SWACOM)' for 2006-2009 and 'Integrated IP-based Services for Smart Home Environment (IS-Home)' for 2007-2010. The Norwegian Information Security Network (NISNet) also receives annual funding from the Research Council of Norway. His research interests include computer and network security, wireless communications, cryptography, identity management, electronic payment, coding theory and semantic web technology.