Research on Personal Information Security on Social Network in Big Data Era

The soaring development of network information technology and mobile terminals has changed our work and life dramatically. An increasing number of people like to post their activity information on the internet. At the meantime, the coming of social network in big data era makes personal information security problems more obvious. The paper bases on big data background, researches the current situation of privacy protection on social network and analyzes the reasons of privacy infringement on social network, and then proposes corresponding countermeasures from the perspectives of users' information security literacy, security protection technology as well as laws and regulations, looking forward to guaranteeing personal information security on social network in the big data era.