A model of resource access control is presented in which the access control to resources can employ user interaction to obtain the necessary permissions. This model is inspired by...
Abstract. Security policies, in particular access control, are fundamental elements of computer security. We address the problem of authoring and analyzing policies in a modular wa...
We study the specification of access control policy in large-scale distributed systems. We present Cassandra, a language and system for expressing policy, and the results of a sub...
The most important part of a firewall configuration process is the implementation of a security policy by a security administrator. However, this security policy is not designed b...
Context is a key factor in making make access control decision in modern information system. But a formal context model is needed to guide research of implementation of Context-se...