On the leakage of personally identifiable information via online social networks
Proceedings of the 2nd ACM workshop on Online social networks
Maximizing circle of trust in online social networks
Proceedings of the 23rd ACM conference on Hypertext and social media
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Information sharing on the Internet has become a streamlined process through services such as e-mail, blogs and recently also Online Social Networks (OSNs). The speed of posting information in one central place and the convenience of this information reaching a vast audience at the same time is a great advantage of this style of communication, but at the same time also a danger. The aim of this article is thus to introduce a prototype software model that can analyse not only the Personally Identifiable Information (PII) that users share on OSNs, but with whom they share this. Such analysis will give users a good indication of how their private information is shared based on different settings within their OSN profiles. To successfully develop such a model, familiarity with the concepts of information sharing and PII is firstly investigated. Identifying information leakage within one of the most popular OSNs follows. In combination with our programming knowledge, a prototype model is introduced and an overview of preliminary results is given. Due to the generic nature of the model, we are able to visually introduce and explain the process of information deduction -- an aspect of information sharing often overlooked due to its invisible nature. After analysing the information gathered from our model, we conclude that the immense popularity of Facebook on both a global and local scale contribute to its success, but at the same time make its users more prone to leak information and subsequently be the potential targets of cyber criminals. The ease, anonymity and borderless nature of the Internet in combination with the poor default security settings of our investigated OSN all contribute to the lucrative industry of cyber crime. Proper user awareness is crucial to preventing the leaking of any information in an online environment, but for many users this still equates to (a) PII in the sky.