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Security Challenges and Approaches in Online Social Networks: A Survey


Racha Ajami, Noha Ramadan, Nader Mohamed, Jameela Al-Jaroodi


Vol. 11  No. 8  pp. 1-12


Social Networks (SN) Sites are becoming very popular and the number of users is increasing rapidly. However, with that increase there is also an increase in the security threats which affect the users privacy, identity and confidentiality. Different research groups highlighted the security threats in SN and attempted to offer some solutions to these issues. In this paper we survey several examples of this research and highlight the approaches. All the models we surveyed were focusing on protecting users information yet they failed to cover other important issues. For example, none of the mechanisms provided the users with control over what others can reveal about them and encryption of images is still not achieved properly. Generally having higher security measures will affect the systems performance in terms of speed and response time. However, this trade-off was not discussed or addressed in any of the models we surveyed.


Security, social networks, privacy, anonymity, peer-to-peer, mobile social networks