Access Control Models for Online Social Networks

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Author(s): Rula Sayaf (KU Leuven, Belgium)and Dave Clarke (KU Leuven, Belgium)
Copyright: 2013
Pages: 34
Source title: Social Network Engineering for Secure Web Data and Services
Source Author(s)/Editor(s): Luca Caviglione (Institute of Intelligent Systems for Automation (ISSIA), Italy), Mauro Coccoli (University of Genoa, Italy)and Alessio Merlo (University of Genoa & Università Telematica e-campus, Italy)
DOI: 10.4018/978-1-4666-3926-3.ch003

Keywords: Information Science Reference / IT Security and Ethics / Media & Communications / Social Networking

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Abstract

Access control is one of the crucial aspects in information systems security. Authorizing access to resources is a fundamental process to limit potential privacy violations and protect users. The nature of personal data in online social networks (OSNs) requires a high-level of security and privacy protection. Recently, OSN-specific access control models (ACMs) have been proposed to address the particular structure, functionality and the underlying privacy issues of OSNs. In this survey chapter, the essential aspects of access control and review the fundamental classical ACMs are introduced. The specific OSNs features and review the main categories of OSN-specific ACMs are highlighted. Within each category, the most prominent ACMs and their underlying mechanisms that contribute enhancing privacy of OSNs are surveyed. Toward the end, more advanced issues of access control in OSNs are discussed. Throughout the discussion, different models and highlight open problems are contrasted. Based on these problems, the chapter is concluded by proposing requirements for future ACMs.

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