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Twitter is one of the most popular Online Social Networks (OSN). It is used by millions of users worldwide everyday. Due to the text limitation on Twitter (140 characters per tweet), URL (Uniform Resource Locator) shortening services are widely used, however they are not free from risks. Shortened URLs are completely different from the original URLs, and hence users have no idea where the short URLs...
Many threats and attacks have been found in online social networks. When a security incident happens and data loss occurs, it is important to assess how the lost data affects user privacy. Most approaches for privacy impact assessment are based on checklists and auditions. There is lack of quantitative analysis approach to study privacy impact. Privacy impact assessment is a very challenging issue...
Online social networks (OSNs) provide services for people to connect and share information. Social networking sites contain huge amount of personal information such as user profiles, user relations, and user activities. Most of the information is personal and sensitive in nature and hence disclosure of this information may cause harassment, financial loss, and even identity theft. Thus, protecting...
Privacy has become an important concern in online social networks. One of the fundamental challenging issues is privacy measurement. Without a practical and effective way to quantify, measure and evaluate privacy, it is hard for social networking sites and users to make and adjust privacy settings to protect privacy. In this paper, we introduce a practical and effective approach for privacy measurement...
Privacy measurement is critical to evaluate privacy risks for business, public policy and legislation. However, there is a lack of effective and practical way to quantify, measure, and evaluate privacy. In this paper, we propose three privacy indexes for privacy measurement (ranking) for social network actor model, i.e., weighted privacy index (w-PIDX), maximum privacy index (m-PIDX), and composite...
Many concerns have been raised regarding the privacy issues in social media. The risks, as well as the security and privacy issues of social media in business, public policy, and legislation need to be evaluated and studied. However, there is lack of effective and practical way to quantify, measure, and evaluate privacy. In this paper, we propose a social network model, SONET, for privacy monitoring...
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