44 search results - page 1 / 9 » How to Securely Break into RBAC: The BTG-RBAC Model |
ACSAC
2009
IEEE
13 years 11 months ago
2009
IEEE
—Access control models describe frameworks that dictate how subjects (e.g. users) access resources. In the Role-Based Access Control (RBAC) model access to resources is based on ...
SACMAT
2003
ACM
13 years 10 months ago
2003
ACM
This paper presents an approach that uses special purpose RBAC constraints to base certain access control decisions on context information. In our approach a context constraint is...
ACSAC
1998
IEEE
13 years 9 months ago
1998
IEEE
Abstract Role-based access control RBAC has recently received a lot of attention due to its exibility, expressive power and simplicity in administration. In RBAC permissions are as...
CSFW
2006
IEEE
13 years 10 months ago
2006
IEEE
Role-Based Access Control (RBAC) is a widely used model for expressing access control policies. In large organizations, the RBAC policy may be collectively managed by many adminis...
CCS
2007
ACM
13 years 11 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...