This book constitutes the refereed proceedings of the 8th International Conference on Information Security Practice and Experience, ISPEC 2012, held in Hangzhou, China, in April 2012.The 20 revised full papers presented together with 7 work-in-progress papers were carefully reviewed and selected from 109 submissions. The papers are oranized in topical sections on digital signatures, public key cryptography, cryptanalysis, differential attacks, oblivious transfer, internet security, key management, applied cryptography, pins, fundamentals, fault attacks, and key recovery.