In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
In runtime monitoring, a programmer specifies a piece of code to execute when a trace of events occurs during program execution. Previous and related work has shown that runtime m...
Spyware infections are becoming extremely pervasive, posing a grave threat to Internet users’ privacy. Control of such an epidemic is increasingly difficult for the existing def...
In recent years, trust negotiation (TN) has been proposed as a novel access control solution for use in open system environments in which resources are shared across organizationa...
Adam J. Lee, Marianne Winslett, Jim Basney, Von We...
As evidenced by the proliferation of phishing attacks and keystroke loggers, we know that human beings are not wellequipped to make trust decisions about when to use their passwor...