Keyphrases
- access control
- security mechanisms
- security issues
- information security
- security services
- data security
- security problems
- hardware and software
- security policies
- sys tems
- taking care
- role based access control
- computer security
- key management
- mechanism design
- security requirements
- security systems
- statistical tests
- security level
- data protection
- computational models
- intrusion detection
- security measures
- database systems
- information systems