This book constitutes the refereed proceedings of the 14th International Conference on Information and Communications Security, ICICS 2012, held in Hong Kong, China, in October 2012.The 23 regular papers and 26 short papers were carefully reviewed and selected from 101 submissions. The papers cover many important areas in information security such as privacy, security in mobile systems, software and network security, cryptanalysis, applied cryptography as well as GPU-enabled computation.