Chapter 53

Privacy-Enhancing Technologies

Simone Fischer-Hbner, and Stefan Berthold     Karlstad University, Karlstad, Sweden

Abstract

In our modern information age, recent technical developments and trends, such as mobile and pervasive computing, big data, cloud computing, and Web 2.0 applications, increasingly pose privacy dilemmas. Due to the low costs and technical advances of storage technologies, masses of personal data can easily be stored. Once disclosed, these data may be retained forever, often without the knowledge of the individuals concerned, and be removed with difficulty. Hence, it has become hard for individuals to manage and control their personal spheres. Both legal and technical means are needed to protect privacy and to (re-)establish ...

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