SACMAT
2003
ACM
14 years 6 months ago
2003
ACM
Authorization policy infrastructures are evolving with the complex environments that they support. However, the requirements and technologies supporting context are not yet well u...
SACMAT
2003
ACM
14 years 6 months ago
2003
ACM
Role-based access control (RBAC) is recognized as an efficient access control model for large organizations. Most organizations have some business rules related to access control...
SACMAT
2003
ACM
14 years 6 months ago
2003
ACM
In this paper we describe the work devising a new technique for role-finding to implement Role-Based Security Administration. Our results stem from industrial projects, where larg...
SACMAT
2003
ACM
14 years 6 months ago
2003
ACM
A Generalized Temporal Role Based Access Control (GTRBAC) model that captures an exhaustive set of temporal constraint needs for access control has recently been proposed. GTRBAC...
SACMAT
2003
ACM
14 years 6 months ago
2003
ACM
In large organizations the administration of access privileges (such as the assignment of an access right to a user in a particular role) is handled cooperatively through distribu...
SACMAT
2003
ACM
14 years 6 months ago
2003
ACM
The focus of access control in client/server environments is on protecting sensitive server resources by determining whether or not a client is authorized to access those resource...
SACMAT
2003
ACM
14 years 6 months ago
2003
ACM
Traditional access control mechanisms rely on a reference monitor to mediate access to protected resources. Reference monitors are inherently centralized and existing attempts to ...
SACMAT
2003
ACM
14 years 6 months ago
2003
ACM
SACMAT
2003
ACM
14 years 6 months ago
2003
ACM
We investigate the cost of changing access control policies dynamically as a response action in computer network defense. We compare and contrast the use of access lists and capab...
SACMAT
2003
ACM
14 years 6 months ago
2003
ACM
Role-based Access Control (RBAC) models have been implemented not only in self-contained resource management products such as DBMSs and Operating Systems but also in a class of pr...