Keyphrases
- access control
- security mechanisms
- fine grained
- data security
- dynamic access control
- security policies
- access control policies
- role based access control
- identity management
- access control models
- role based access control model
- security requirements
- security issues
- unauthorized access
- rbac model
- access control mechanism
- security architecture
- trust relationships
- access control systems
- information security
- discretionary access control