Overview of protecting user privacy in social networks
社会网络的隐私保护研究综述*

Some social network sites publish anonymized social network data for special purposes. However, such kind of data publishing may cause potential privacy leak.But research on protecting user privacy has just started. This paper surveyed and discussed existing research on privacy protection in social networks and its privacy leak, information revelation, reidentification attack, mass attack, logic attack, etc. The article tried to predict future trends and pointed out study directions for the social networks.