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This volume aims at assessing the current approaches and technologies, as well as to outline the major challenges and future perspectives related to the security and privacy protection of social networks. It provides the reader with an overview of the state-of-the art techniques, studies, and approaches as well as outlining future directions in this field. A wide range of interdisciplinary contributions from various research groups ensures for a balanced and complete perspective.

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Privacy in Online Social Networks; E. Raad, R. Chbeir.- Online Social Networks: Privacy Threats and Defenses; S. Mahmood.- Online Social Networks and Terrorism: Threats and Defenses; S. Mahmood.- User-Managed Access Control in Web Based Social Networks; L. Gonzalez-Manzano et al.- UPP+: A Flexible User Privacy Policy for Social Networking Services; R.A. Haraty, S. Massalkhy.- Social Semantic Network-Based Access Control; S. Villata et al.- Supporting Data Privacy in P2P Systems; M. Jawad et al.- Privacy Preserving Reputation Management in Social Networks; O. Hasan, L. Brunie.- Security and Privacy Issues in Mobile Social Networks; A. Teles et al.- Avatar Facial Biometric Authentication Using Wavelet Local Binary Patterns; A.A. Mohamed, R.V. Yampolskiy.- A Flexible Image-Based Access Control Model for Social Networks; B. Al Bouna et al.- Problems and Questions.

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