Keyphrases
- access control
- virtual environment
- intrusion detection
- educational games
- security policies
- electronic commerce
- network security
- statistical databases
- security requirements
- security vulnerabilities
- security problems
- data security
- computer security
- sensitive data
- security issues
- computer games
- video games
- functional requirements
- security mechanisms
- key management
- digital games
- information security
- security analysis
- security systems
- low cost
- security management
- high security
- real time