Systems and methods for managing users' local security policies based on social media network information are provided. According to one embodiment, a network security appliance of a private network receives authentication request from a client machine and provides a social login interface of a social media network to the client machine. After a user of the client machine is authenticated by the social media network through a personal social media network account of the user, the network security appliance receives an authentication and a user profile of the user from the social media network. The network security appliance extracts social relationship information from the user profile and determines a local network security policy for the user based on the social relationship information.