Atilla Elçi is full professor and chairman of the Department of Electrical and Electronics Engineering at Aksaray University, Aksaray, Turkey, since August 2012. He was full professor and chairman of computer and educational technology at Süleyman Demirel University, Isparta, Turkey (May 2010 - June 2012). He served as full professor of computer engineering, the founding director of the Graduate School of Science and Technology, and the dean of Engineering Faculty at Toros University, Mersin, Turkey (July 2010 - June 2011); with the Computer Engineering Program, Middle East Technical University (METU NCC, Spring 2010); Eastern Mediterranean University (2003-2009) where he established the Internet Technologies Research Center and semantic robotics lab; Haliç University, Istanbul, Turkey, founder and chair of the Computer Engineering Department (2000-2003); the International Telecommunication Union, Geneva, Switzerland, as chief technical advisor (1985-1997); METU Ankara, Turkey, where he was chair and assistant chair of Computer Engineering Department(1976-1985); Purdue University, W. Lafayette, Indiana, USA, as research assistant (1974-5). He has organised or served in the committees of numerous international conferences. He has been organising IEEE Engineering Semantic Agent Systems Workshops since 2006, Security of Information and Networks Conferences since 2007; and, IJRCS Symposiums 2007&9. He has published over a hundred journal and conference papers; edited the book titled Semantic Agent Systems (Springer 2011), Theory and Practice of Cryptography Solutions for Secure Information Systems (IGI 2013); proceedings of SIN 2007, 9 – 12 by ACM, ESAS 2006-12 by IEEE CS, and IJRCS 2009; special issues. He was the programme chair for the 36th COMPSAC (2012). He obtained B.Sc. in Computer/Control Engineering at METU, Ankara, Turkey (1970), M.Sc. & Ph.D. in Computer Sciences at Purdue University, USA (1973, 1975). His research and experience encompass web semantics, agent-based systems, robotics, machine learning, knowledge representation and ontology, information security, software engineering, and natural language translation. Josef Pieprzyk is a Professor, Chair of Computing, at Macquarie University. His main research interest focus is Cryptology and Computer Security and includes design and analysis of cryptographic algorithms (such as encryption, hashing and digital signatures), secure multiparty computations, cryptographic protocols, copyright protection, e-commerce, web security and cybercrime prevention. Professor Pieprzyk is a member of the editorial boards for International Journal of Information Security, Journal of Mathematical Cryptology, International Journal of Applied Cryptography, Fundamenta Informaticae, Journal of Research and Practice in Information Technology, International Journal of Security and Networks and International Journal of Information and Computer Security. Professor Pieprzyk was instrumental in creation of both Auscrypt and ACISP conference streams. The Auscrypt stream was re-named as Asiacrypt and later included by IACR as one of the flagship conferences along with Eurocrypt and Crypto. The ACISP conference is the main cryptographic event in Australia and New Zealand. In 2008 he was the Programme Chair of Asiacrypt 2008 (Melbourne, Australia). In 2010 he was serving the Programme Chair of CT-RSA 2010 (San Francisco, USA). He is serving on many programme committees of international conferences. Professor Pieprzyk published 5 books, edited 10 books (conference proceedings published by Springer-Verlag), 6 book chapters, and ~200 papers in refereed journals and refereed international conferences. Alexander G. Chefranov holds the degrees of a Ph.D. (Computer Science) and a Doctor of Engineering Sciences. He is currently an Associate Professor of the Department of Computer Engineering, Eastern Mediterranean University, Famagusta, North Cyprus. There he was one of the founders of Internet Technologies Research Center and served as its Director in 2008/09. Prior to joining Eastern Mediterranean University, he was a professor at the Department of Software Engineering at Taganrog State University of Radio-Engineering in Russia. His research interests in information security include symmetric and asymmetric ciphers, authentication and key exchange protocols, database security. He served as a programme committee chair of SIN 2009 held in North Cyprus in 2009 and a programme committee co-chair of SIN Conferences held in Russia, Australia, and India in 2010-12. Mehmet A. Orgun is a professor at Macquarie University, Sydney, Australia. He received his B.Sc. and M.Sc. degrees in computer science and engineering from Hacettepe University, Ankara, Turkey in 1982 & 1985 respectively; and his PhD degree in computer science from the University of Victoria, Canada in 1991. Prior to joining Macquarie University in September 1992, he worked as a post-doctoral fellow at the University of Victoria. He was elevated to the grade of a Senior Member of IEEE (SMIEEE) in 1996. He researches in the broad area of intelligent systems, with specific research interests in knowledge discovery, trusted systems, multi-agent systems, and industry applications of these research areas. He was the Programme Committee co-chair of The 20th Australian Joint Conference on Artificial Intelligence (AI'07) and the Conference co-chair of the 2nd International Conference on Security of Information and Networks (SIN 2009). He has been serving as Programme Committee Co-Chair of the 14th Pacific-Rim International Conference on Artificial Intelligence (PRICAI'2010), and The Conference Co-Chair of the 3rd International Conference on Security of Information and Networks (SIN 2010). He serves on the editorial boards of The Journal of Universal Computer Science, and Expert Systems: The Journal of Knowledge Engineering. Huaxiong Wang received a PhD in Mathematics from University of Haifa, Israel in 1996 and a PhD in Computer Science from University of Wollongong, Australia in 2001. He Joined Nanyang Technological University, Singapore in 2006 and is currently an associate professor in the Division of Mathematical Sciences. Prior to that, he held positions in several universities, including Macquarie University, Australia; City University of Hong Kong; University of Wollongong, Australia, National University of Singapore, Kobe University, Japan. His research interests include cryptography, information security, coding theory, combinatorics and theoretical computer science. He has been on the editorial boards of Designs, Codes and Cryptography, International Journal of Foundations of Computer Science, Journal of Communications (JCM) and Journal of Communications and Networks. He was the Programme Co-Chair of 9th Australasian Conference on Information Security and Privacy (ACISP'04), Sydney, Australia, 2004 and 4th International Conference on Cryptology and Network Security (CANS05), Xiamen, China, 2005. He received the inaugural Award of Best Research Contribution awarded by the Computer Science Association of Australasia in 2004. Rajan Shankaran is a senior lecturer at Macquarie University, Sydney, Australia. He received the MBA (MIS) degree in Information Systems Maastricht School of Management in 1994; and MSc (Honours) and PhD degrees in Computing from the University of Western Sydney in 1999 and 2005 respectively. He joined Macquarie University as a lecturer in 2001 and was promoted to senior lecturer in 2011. Prior to Macquarie University, he was employed, first as an associate lecturer and then as a lecturer, at the University of Western Sydney. He mainly works in the areas of network security and trust in mobile networks. He has served as a programme committee member for a number of conferences in computer networking and security. More recently, he has been serving as the Programme Co-Chair as well as local arrangements chair; of the 4th International Conference on Security of Information and Networks (SIN 2011) held in Sydney in November 2011.