This book constitutes the thoroughly refereedpost-conference proceedings of the 8th International Symposium on Foundationsand Practice of Security, FPS 2015, held in Clermont-Ferrand, France, inOctober 2015.

The 12 revised full papers presented together with 8short papers and 2 keynote talks were carefully reviewed and selected from 58submissions. The papers are organized in topical sections on RFID, sensors andsecure computation; security policies and biometrics; evaluation of protocolsand obfuscation security; spam emails, botnets and malware.