Multiparty Access Control for Online Social Networks: Model and Mechanisms

Provided by: Institute of Electrical & Electronic Engineers
Topic: Security
Format: PDF
Online Social Networks (OSNs) have experienced tremendous growth in recent years and become a de facto portal for hundreds of millions of Internet users. These OSNs offer attractive means for digital social interactions and information sharing, but also raise a number of security and privacy issues. While OSNs allow users to restrict access to shared data, they currently do not provide any mechanism to enforce privacy concerns over data associated with multiple users. To this end, the authors propose an approach to enable the protection of shared data associated with multiple users in OSNs. They formulate an access control model to capture the essence of multiparty authorization requirements, along with a multiparty policy specification scheme and a policy enforcement mechanism.

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