Keyphrases
- sensitive data
- data storage
- privacy preserving
- sensitive information
- information security
- malicious users
- data sharing
- security concerns
- data confidentiality
- third party
- smart card
- security threats
- privacy preservation
- confidential data
- protection mechanisms
- personal data
- data privacy
- database
- privacy protection
- unauthorized access
- image data
- data analysis
- data sets