This book contains a range of keynote papers and submitted papers presented at the 9th IFIP WG 9.2, 9.5, 9.6/11.7, 11.4, 11.6/SIG 9.2.2 International Summer School, held in Patras, Greece, in September 2014.

ABC4Trust: Protecting Privacy in Identity Management by Bringing Privacy-ABCs into Real-Life.- Towards an Engineering Model of Privacy-Related Decisions.- The Value of Personal Data.- Privacy and Security Perceptions of European Citizens: A Test of the Trade-Off Model.- Privacy and Confidentiality in Service Science and Big Data Analytics.- The Court of Justice of the European Union, Data Retention and the Rights to Data Protection and Privacy – Where Are We Now?.- EUROSUR – A Sci-fi Border Zone Patrolled by Drones?.- Anonymous e Petitions – Another Step Towards e Democracy.- A Brief Evaluation of Icons in the First Reading of the European Parliament on COM (2012) 0011.- Privacy by Design – The Case of Automated Border Control.- Patterns in Privacy - A Pattern-Based Approach for Assessments.- A Survey on Multimodal Biometrics and the Protection of Their Templates.- Event Invitations in Privacy-Preserving DOSNs: Formalization and Protocol Design.- Blank Digital Signatures: Optimization and Practical Experiences.- Tools for Cloud Accountability: A4Cloud Tutorial.- Privacy for Peer Profiling in Collective Adaptive Systems.- ABC4Trust Workshop on Core Features of Privacy-ABCs, Practical Use and Legal Issues.