Research on Security of Online Social Network

Online social network is a new tool for the publics to exchange information and establish interpersonal interaction by using computing technology and information technology. The security threats hidden in online social network have never stopped for a moment, therefore online social network security risks and hazards attract widespread attentions. This paper introduces the concept, characteristics and current security situation of online social network, analyzes the common attacks to social network and the current security strategies. The prospects of security research of online social network are discussed at the end of the paper.