David Chek Ling Ngo, MA (TCD), BAI (Hons) (TCD), PhD (TCD), FIET, FBCS, SMIEEE, is a Research Professor at Sunway University, Malaysia. As an active academic researcher with research interests in biometric encryption, aesthetic computation, and predictive intelligence, Dr Ngo has authored and co-authored over 120 refereed papers and currently has four patents pending. He is a member of the Editorial Board of the Journal of Universal Computer Science, and has served as the guest editor of a special issue on pattern recognition in biometrics and bioinformatics for the August 2005 issue of the Multimedia Cyberscape Journal. Dr Andrew Beng Jin Teoh is an Associate Professor in the Electrical and Electronic Department at the College of Engineering of Yonsei University, South Korea. His research interests are pattern recognition, machine learning and information security. He has published more than 200 international refereed journal and conference articles, and several book chapters. He is also a regular speaker at conferences, academic institutions, and corporations.Dr Jiankun Hu is Full Professor of Cyber Security at UNSW Canberra (also known as the Australian Defence Force Academy). His research interests include biometrics security, applied cryptography and intrusion detection. He has published numerous articles in these areas in several renowned journals, such as IEEE Transactions on Pattern Analysis and Machine Intelligence, IEEE Transactions on Computers, IEEE Transactions on Parallel and Distributed Systems, and IEEE Transactions on Information Forensics and Security.