SACMAT
2009
ACM
14 years 2 months ago
2009
ACM
XACML does not natively support RBAC and even the specialized XACML profiles are not able to support many relevant constraints such as static and dynamic separation of duty. Exte...
SACMAT
2009
ACM
14 years 2 months ago
2009
ACM
An access control system is often viewed as a state transition system. Given a set of access control policies, a general safety requirement in such a system is to determine whethe...
SACMAT
2009
ACM
14 years 2 months ago
2009
ACM
Modern operating systems primarily use Discretionary Access Control (DAC) to protect files and other operating system resources. DAC mechanisms are more user-friendly than Mandat...
SACMAT
2009
ACM
14 years 2 months ago
2009
ACM
The existence of on-line social networks that include person specific information creates interesting opportunities for various applications ranging from marketing to community o...
SACMAT
2009
ACM
14 years 2 months ago
2009
ACM
This panel discusses specific challenges in the usability of access control technologies and new opportunities for research. The questions vary from “Why nobody, even experts, ...
SACMAT
2009
ACM
14 years 2 months ago
2009
ACM
A number of research systems have demonstrated the benefits of accompanying each request with a machine-checkable proof that the request complies with access-control policy — a...
SACMAT
2009
ACM
14 years 2 months ago
2009
ACM
In this paper, we present a mandatory access control system that uses input from multiple stakeholders to compose policies based on runtime information. In the emerging ubiquitous...
SACMAT
2009
ACM
14 years 2 months ago
2009
ACM
SACMAT
2009
ACM
14 years 2 months ago
2009
ACM
While many role mining algorithms have been proposed in recent years, there lacks a comprehensive study to compare these algorithms. These role mining algorithms have been evaluat...
SACMAT
2009
ACM
14 years 2 months ago
2009
ACM
In both the commercial and defense sectors a compelling need is emerging for highly dynamic, yet risk optimized, sharing of information across traditional organizational boundarie...