This book constitutes revised selected papers from the First Annual Privacy Forum, APF 2012, held in Limassol, Cyprus, in October 2012. The 13 revised papers presented in this volume were carefully reviewed and selected from 26 submissions. They are organized in topical sections named: modelling; privacy by design; identity management and case studies.

This book constitutes the refereed proceedings of the Second Annual Privacy Forum, APF 2014, held in Athens, Greece, in May 2014. The 12 revised papers presented in this volume were carefully reviewed and selected from 21 submissions. The topics include: the concept and implementation of "privacy by design," with applications to encrypted databases; the study of video surveillance architectures and new networking concepts and innovative solutions for identity management. The papers address the technical, legal, and economic aspects of these problems.

This book constitutes the thoroughly refereed post-conference proceedings of the Third Annual Privacy Forum, APF 2015, held in Luxembourg, Luxembourg, in October 2015.

The 11 revised full papers presented in this volume were carefully reviewed and selected from 24 submissions. The topics focus on privacy by design (PbD), i.e. the attempt to combine technical and organizational measures to ensure the basic rights of the individual. The papers are organized in three sessions: measuring privacy; rules and principles; legal and economic perspectives on privacy.

This book constitutes the refereed conference proceedings of the 4th Annual Privacy Forum, APF 2016, held in Frankfurt/Main, Germany, in September 2016.

The 12 revised full papers presented in this volume were carefully reviewed and selected from 32 submissions. The papers are organized in three sessions: eIDAS and data protection regulation; IoT and public clouds; and privacy policies and privacy risk presentation.