Role-based Access Control (RBAC) is a promising alternative to traditional discretionary (DAC) and mandatory access (MAC) controls. In RBAC permissions are associated with roles, and users are made members of the roles thereby acquiring the roles’ permissions. RBAC is policy neutral and flexible enough to accommodate diverse security policies. Access matrix models define another mechanism for e...

Cloud Computing is flourishing day by day and it will continue in developing phase until computers and internet era is in existence. While dealing with cloud computing, a number of security and traffic related issues are confronted. Load Balancing is one of the answers to these issues. RBAC deals with such an answer. The proposed technique involves the hybrid of FCFS with RBAC technique. RBAC w...

Role-Based Access Control, for short RBAC, is a security technology that ensures system resources can not be accessed by non-authorized users. It can be used in network security and works well for grid security as well. Based on the research of RBAC model at present the paper proposes a role-based access control model in grid environment. The model still discusses the issues of role authorizati...

This paper describes the use of formally specified RBAC policies for protecting federated relational database systems that are accessed over a wide area network. The method that is described combines a formally specified RBAC policy with both temporal and locational constraints. It does not depend on any security mechanism supported by a specific DBMS and is thus portable across platforms.

RBAC or Role-Based Access Control is an approach to restrict system access to authorized users and help in implementing a secure access control for larger databases. MySQL is a popular open source relational database management system (RDBMS) which currently implements MAC and DAC access control mechanisms. We extend the access control policies in MySQL by adding the Core RBAC functionality to it.

Constraints are an important aspect of role-based access control (RBAC) and are often regarded as one of the principal motivations behind RBAC. Although the importance of constraints in RBAC has been recognized for a long time, they have not received much attention. In this paper, we introduce an intuitive formal language for specifying role-based authorization constraints named RCL 2000 includ...

Role-based access control (RBAC) is useful in information security. It is a super set of discretionary access control (DAC) and mandatory access control (MAC). Since DAC and MAC are useful in information flow control (which protects privacy within an application), RBAC can certainly be used in that control. Our research reveals that different control granularity is needed in different cases whe...

Nowadays security has become an important aspect in information systems engineering. A mainstream method for information system security is Role-based Access Control (RBAC), which restricts system access to authorised users. Recently different authors have proposed a number of modelling languages (e.g., abuse cases, misuse cases, secure i*, secure Tropos, and KAOS extensions to security) that f...

The authors propose a business-oriented approach to support accurate and dynamic user-role assignments for the Role Based Access Control (RBAC) model. Their model, called Business-Driven Role Based Access Control (BD-RBAC), is composed of three layers. The first layer extends the RBAC model with the concepts of business roles, system roles, credentials, and users’ capabilities. The second layer...

Role based access control (RBAC) assigns access permissions to a role rather than a user. This simplifies access control management by simply assigning appropriate roles to users and by modifying the permissions of the roles. With the advent of ubiquitous computing, many kinds of services, especially personalized services to give convenience to users, have been introduced. Among them, providing...