Workflow systems provide automated support that enables organizations to efficiently and reliably move important data through their routine business processes. For some organizati...
Technological advances in the collection, storage and analysis of data have increased the ease with which businesses can make profitable use of information about individuals. Som...
Ram Gopal L., Robert S. Garfinkel, Manuel A. Nunez...
System protection mechanisms such as access controls can be fooled by authorized but malicious users, masqueraders, and misfeasors. Intrusion detection techniques are therefore us...
Comparing the expressive power of access control models is recognized as a fundamental problem in computer security. Such comparisons are generally based on simulations between di...
We present a discretionary access control framework that can be used to control a principal’s ability to link information from two or more audit records and compromise a user’...