Data Protection
Why Protect Data?
- Prevent unauthorised access
- Maintain privacy and confidentiality
- Ensure data integrity
- Comply with legal requirements
Protection Methods
Authentication
Verifying identity before granting access:
- Passwords - Something you know
- Biometrics - Something you are (fingerprint, face)
- Smart cards/tokens - Something you have
- Multi-factor - Combining two or more methods
Encryption
Converting data into unreadable code that requires a key to decrypt.
- Protects data in transit (HTTPS, VPN)
- Protects data at rest (encrypted drives)
Access Control
- User permissions (read, write, delete)
- Role-based access
- Firewalls and network security
Backup
- Regular copies of important data
- Store backups in different locations
- Test restore procedures