Sensitive Data:
- Automatically detect PII
- Mask before storage
- Tokenize identifiers
- Encrypt at rest

Masking Rules:
- SSN: ***-**-1234
- Email: u***@example.com
- Credit Card: ****-****-****-1234

Right to Erasure:
- Track data subject IDs
- Audit deletion requests
- Verify complete removal
- Generate compliance reports

Data Minimization:
- Store only necessary fields
- Automatic data expiry
- Anonymization
- Pseudonymization

Roles:
- Auditor: Read audit logs
- Compliance Officer: Generate reports
- Admin: Full access
- Database Owner: Own database audits

Permissions:
- View audits
- Generate reports
- Configure retention
- Manage users

Security Measures:
- Immutable storage
- Cryptographic signing
- Access logging
- Tamper detection
- Encryption (AES-256)

SOX Compliance:
- Financial data auditing
- Change tracking
- Access controls
- Retention (7 years)

HIPAA Compliance:
- Healthcare data tracking
- Access logging
- Encryption
- Breach notification