Abstract
Enormous popularity of Social Networking Sites has introduced a great number of privacy risks. Even the most popular of all the social networking sites have characterized access control policies in terms of explicit tracking of the interpersonal relationships between the subjects, objects and their inter relation. In this paper we present a novel paradigm that accounts for a secure, yet sociable information flow model based on access control policies. We took advantage of real time success of the access control security policies in operating systems by implementing them on online social networks at the mandatory level so that the user’s privacy does not have to be at stake by the growth of social network and activities or by the level of user understanding of the privacy settings provided by the social networking sites based on discretionary access control. We used Facebook and Google+ as case study and implemented the security policy in SecureWall to mitigate possible privacy leakage scenarios observed. We have implemented Chinese wall policy for community level privacy, Bell la-Padulla access control model to assure confidentiality to the user and Biba Access control model for providing Integrity. Since Bell la-Padulla and Biba models are basically meant to serve military security and therefore can risk sociability, we have combined the two models using Lipner Security Matrix in order to provide security without risking sociability. Our research can be adopted by online social networking sites for the mandatory level security especially for social networking in organizational specific activities.
Highlights
In today’s infrastructure, the process of information gathering, processing and disseminating has been profoundly influenced by the emerging popularity of social networking sites
We created an evaluation form for this purpose which contained twenty questions in total to get the view from the users regarding, (1) which OSN provides effective privacy, (2) how easy it is to use our social networking site as compared to the other one that they are already using, (3) how less they have to worry about their privacy in our site and, (4) how sociable is SecureWall compared to others
We proposed a new aspect for ensuring privacy in social networking sites
Summary
In today’s infrastructure, the process of information gathering, processing and disseminating has been profoundly influenced by the emerging popularity of social networking sites. In order to keep sociability and usability intact and yet, provide security to the user information there should be a well-implemented security policy that restricts unauthorized users from accessing the data This way even if the user accidentally reveals his information, since irrelevant users will not be able to access that information, there will be no risk of data being harvested maliciously. It requires a well-defined access control mechanism to ensure user privacy that must meet all the challenges offered by the large amount of information sharing and great influx of users in rapidly growing social networks. The core aim of this research is to propose and implement a security policy that ensures prevention of information leakage on social networking sites through the complex and dynamic connections between users. We will discuss the results and evaluation and last one is about conclusion and future work
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