The 8thPrivacyEnhancing TechnologiesSymposium washeldat the Katholieke Universiteit Leuven during July 23¿25,2008.This year completed the transition from workshop to symposium, with a printed proceedings published before the symposium. PETS remains a premier venue for publishing original research on privacy-enhancing technologies. PETS received 48 submissions, each of which wasreviewedbyatleastfourmembersoftheProgramCommittee. Thirteenwere accepted into the program, maintaining the selective and competitive nature of the event. The program also included a keynote address by Stuart Shapiro. A new feature this year was the HotPETs session, designed to balance the desire for rigorous scienti?c quality of the PETS program and the need for a venue to present work that is not yet