Digital identity and trust management mechanisms play an important role on the Internet. They help users make decisions on trustworthiness of digital identities in online communit...
Collaboration among organizations or individuals is common. While these participants are often unwilling to share all their information with each other, some information sharing i...
The Windows Vista operating system implements an interesting model of multi-level integrity. We observe that in this model, trusted code must participate in any information-flow a...
Avik Chaudhuri, Prasad Naldurg, Sriram K. Rajamani
The distributed firewall is an important new line of network defense. It provides fine-grained access control to augment the protections afforded by the traditional perimeter fire...
We present and analyze portable access control mechanisms for large data repositories, in that the customized access policies are stored on a portable device (e.g., a smart card). ...