Top-K Analysis System - Security and Privacy
Data Security
Encryption
- TLS 1.3 for data in transit
- Encryption at rest (AES-256)
- Secure key management
- Certificate rotation
Authentication
- API key authentication
- OAuth 2.0 for dashboards
- Service account tokens
- Rate limiting per key
Authorization
- Role-based access control
- Dimension-level permissions
- Query filtering
- Audit logging
Privacy Compliance
User Privacy
- No PII in tracked items
- Anonymization
- Aggregated data only
- User opt-out
GDPR/CCPA
- Data minimization
- Right to deletion
- Retention policies
- Privacy by design
Data Retention
- Real-time: 7 days
- Historical: 90 days
- Aggregates: 1 year
- Automatic deletion
Security Best Practices
Infrastructure
- VPC isolation
- Security groups
- Network encryption
- Regular patching
Application
- Input validation
- Rate limiting
- Query timeouts
- Resource limits
Monitoring
- Anomaly detection
- Access logging
- Alert on suspicious activity
- Incident response
This security approach protects top-K data while ensuring compliance.