This book constitutes the thoroughly refereed post conference proceedings of the 6th IFIP WG 9.2, 9.6/11.7, 11.4, 11.6/Prime Life International Summer School, held in Helsingborg, Sweden, in August 2010. The 27 revised papers were carefully selected from numerous submissions during two rounds of reviewing. They are organized in topical sections on terminology, privacy metrics, ethical, social, and legal aspects, data protection and identity management, e ID cards and e ID interoperability, emerging technologies, privacy for e Government and AAL applications, social networks and privacy, privacy policies, and usable privacy.