To rank VPNs based on their security,consider the following factors:

1. Protocol and Encryption: Use HTTPS and advanced encryption methods. OpenVPN is known for its robust security features.

2. User Base and Support: A larger user base can enhance security, but may also increase resource demands. Check for quick support if issues arise.

3. Active Users: Fewer users can improve performance, but lower security may not compensate.

4. Reputation and Reviews: High ratings and positive reviews may indicate better security, though reviews can be biased.

5. Features: Look for additional security features like forward secrecy, anti-spam, and multi-factor authentication.

6. Specific Needs: Tailor the VPN to your needs, whether for gaming, business, or other purposes.

7. Vulnerabilities: Be aware of known weaknesses in popular VPNs like PuTTY.

Example VPN Ratings (Verification Needed):

• OpenVPN: 9%
• PuTTY: 85%
• NetNanny: 8%

Verify these ratings from reputable sources to ensure accuracy.