Security Research
Vulnerability Scanner
Replay Attacks
Checks for vulnerability to license request replay attacks
Session Hijacking
Tests for weak session token handling
Key Rotation
Analyzes key rotation implementation
Common Vulnerabilities
Insecure License Storage
Licenses stored without proper encryption can be extracted from device memory.
Weak HDCP Enforcement
Content may be captured when HDCP requirements aren't properly validated.
Predictable Key IDs
Sequential key IDs make content easier to identify and target.
Security Recommendations
Implementation Best Practices
- Enforce short license validity periods
- Use secure tokens with short TTL
- Implement key rotation with PSSH updates
Monitoring & Maintenance
- Regularly audit license server logs
- Monitor for unusual license requests
- Stay updated on CDM vulnerabilities