1663 search results - page 298 / 333 » Privacy and Identity Management |
CCS
2006
ACM
15 years 3 months ago
2006
ACM
The usage control (UCON) model was introduced as a unified approach to capture a number of extensions for traditional access control models. While the policy specification flexibi...
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CCS
2006
ACM
15 years 3 months ago
2006
ACM
We introduce the notion of resiliency policies in the context of access control systems. Such policies require an access control system to be resilient to the absence of users. An...
CCS
2006
ACM
15 years 3 months ago
2006
ACM
In trust negotiation and other distributed proving systems, networked entities cooperate to form proofs that are justified by collections of certified attributes. These attributes...
CCS
2006
ACM
15 years 3 months ago
2006
ACM
Role engineering, the task of defining roles and associating permissions to them, is essential to realize the full benefits of the role-based access control paradigm. Essentially,...
CCS
2008
ACM
15 years 1 months ago
2008
ACM
Attribute staleness arises due to the physical distribution of authorization information, decision and enforcement points. This is a fundamental problem in virtually any secure di...