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Carleton University - School of Computer Science Undergraduate Honours Project Fall 2009 Security and Access Control in Decentralized Online Social Networks Reza Rahimi 
ABSTRACT Online Social Networking has experienced an unprecedented growth over the last decade and Social Networking vendors have over time, amassed substantial amounts of personal information about their members. Vague privacy policies of these vendors, alongside the widespread instances of breach of security and privacy on their platforms have raised concerns over safekeeping and protection of personal information. Consequently, the web community has started an effort to migrate from the traditional centralized social networking architectures into more modern and decentralized architectures that would give users complete authority over privacy, ownership and dissemination of their data with the added benefit of avoiding information silos inherent to centralized architectures. This paper presents a comparison of the centralized frameworks and the proposed future models of decentralized online social networks, the motivations behind such development and how they will eventually be able to tackle the problems regarding security and control of access to personal information. Accordingly, the requirements, technologies and frameworks for a secure decentralized architecture, both in terms of software/protocol implementation and hardware/network scheme will be discussed and suggestions will be made on improving these implementations and resolving their shortcomings. |
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