A Lattice-Based Access Control Model for Social Networks

Nowadays, social networks have been used widely. They help people communicate with family, friends or colleagues easily. However, they are lack of effective protection and monitoring about message transmission. In addition, the rapid updates of messages and user information also give difficulties to administrators. The existing security protection mechanisms in social networks could not protect users' private information effectively. In this paper, a lattice-based access control method is used to solve these problems. In our method, first, we will extract users' attributes to form the lattice element and construct the access control model based on lattice according the policies, then we define the partial relation to optimize the polices and append the policies on lattice element, at last, we do some experiments to verify it.