Keyphrases
- information security
- security requirements
- user authentication
- security issues
- critical infrastructure
- authentication mechanism
- authentication systems
- intrusion detection
- access control
- password based authenticated key exchange
- network security
- national health
- computer security
- smart card
- high security
- homeland security
- security problems
- data security
- data collection
- security mechanisms
- statistical databases
- security systems
- security level
- data integrity
- biometric recognition
- smart grid
- graphical password
- data encryption
- literature review
- information systems