The increasing reliance on sophisticated computer technology for the management of data and information in developed and developing societies means that security and privacy technologies are also of great importance everywhere in the world. This book presents papers from the 2014 Workshop on Radio Frequency Identification System Security, RFIDsec'14 Asia, held in Hualien, Taiwan, in November 2014. This workshop aimed to provide researchers, enterprises and governments with a platform to investigate, discuss and propose new solutions for the security and privacy issues of technologies and applic.