This book constitutes the thoroughly refereed post-worksop proceedings of the 8th International Workshop Radio Frequency Identification: Security and Privacy Issues, RFIDSec 2012, held in Nijmegen, The Netherlands, in July 2012. <br>The 12 revised full papers presented were carefully reviewed and selected from 29 submissions for inclusion in the book. The papers focus on approaches to solve security and data protection issues in advanced contactless technologies.