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SACMAT
2009
ACM
14 years 4 months ago
Dynamic mandatory access control for multiple stakeholders
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...
Vikhyath Rao, Trent Jaeger
SACMAT
2009
ACM
14 years 4 months ago
Towards formal security analysis of GTRBAC using timed automata
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...
Samrat Mondal, Shamik Sural, Vijayalakshmi Atluri
SACMAT
2009
ACM
14 years 4 months ago
Analysis of virtual machine system policies
The recent emergence of mandatory access (MAC) enforcement for virtual machine monitors (VMMs) presents an opportunity to enforce a security goal over all its virtual machines (VM...
Sandra Rueda, Hayawardh Vijayakumar, Trent Jaeger
SACMAT
2009
ACM
14 years 4 months ago
Foundations for group-centric secure information sharing models
We develop the foundations for a theory of Group-Centric Secure Information Sharing (g-SIS), characterize a specific family of models in this arena and identify several direction...
Ram Krishnan, Ravi S. Sandhu, Jianwei Niu, William...
SACMAT
2009
ACM
14 years 4 months ago
Ensuring spatio-temporal access control for real-world applications
Traditional access control models, such as Role-Based Access Control (RBAC), do not take into account contextual information, such as location and time, for making access decision...
Manachai Toahchoodee, Indrakshi Ray, Kyriakos Anas...