R
Ravi Sandhu
Researcher at University of Texas at San Antonio
Publications - 367
Citations - 29361
Ravi Sandhu is an academic researcher from University of Texas at San Antonio. The author has contributed to research in topics: Access control & Role-based access control. The author has an hindex of 71, co-authored 353 publications receiving 27827 citations. Previous affiliations of Ravi Sandhu include George Mason University & University of Texas at Austin.
Papers
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Journal ArticleDOI
Role-based access control models
TL;DR: Why RBAC is receiving renewed attention as a method of security administration and review is explained, a framework of four reference models developed to better understandRBAC is described, and the use of RBAC to manage itself is discussed.
Journal ArticleDOI
Proposed NIST standard for role-based access control
TL;DR: Although RBAC continues to evolve as users, researchers, and vendors gain experience with its application, the features and components proposed in this standard represent a fundamental and stable set of mechanisms that may be enhanced by developers in further meeting the needs of their customers.
Journal ArticleDOI
Access control: principle and practice
Ravi Sandhu,Pierangela Samarati +1 more
TL;DR: The access matrix model is reviewed and different approaches to implementing the access matrix in practical systems are described, followed with a discussion of access control policies commonly found in current systems, and a brief consideration ofAccess control administration.
Journal ArticleDOI
The UCONABC usage control model
Jaehong Park,Ravi Sandhu +1 more
TL;DR: This paper introduces the family of UCONABC models for usage control (UCON), which integrate Authorizations, oBligations, and Conditions (C), and addresses the essence of U CON, leaving administration, delegation, and other important but second-order issues for later work.
Proceedings ArticleDOI
The NIST model for role-based access control: towards a unified standard
TL;DR: The NIST model focuses on those aspects of RBAC for which consensus is available and is organized into four levels of increasing functional capabilities called flat RBAC, hierarchicalRBAC, constrained RBAC and symmetric RBAC.