VPN Security: Are They Really Safer?

TL;DR

Yes, VPN servers can be exposed to similar threats as public Wi-Fi, but a good VPN significantly reduces your risk. It’s not a magic bullet – server quality and your own habits matter. This guide explains the risks and how to stay safe.

Understanding the Risks

Public Wi-Fi is risky because data sent over it isn’t usually encrypted, meaning anyone nearby could potentially see what you’re doing. A VPN creates an encrypted tunnel between your device and a server controlled by the VPN provider. However, that server itself can be targeted.

How VPN Servers Can Be Compromised

1. Server Hacks: Like any computer connected to the internet, VPN servers are vulnerable to hacking attempts. A compromised server means your data could be intercepted.
   Mitigation: Choose a reputable provider with strong security practices (see Step 1 below).
2. Logging Policies: Some VPNs log user activity, defeating the purpose of privacy. If logs are seized by authorities or stolen in a breach, your information is exposed.
   Mitigation: Read the VPN’s privacy policy carefully and look for ‘no-logs’ policies that have been independently audited.
3. DNS Leaks: Your device might still use your usual DNS servers (provided by your internet service provider) instead of the VPN’s, revealing your browsing activity.
   Mitigation: Check for DNS leaks using a tool like DNSLeakTest after connecting to the VPN.
4. IP Address Leaks (WebRTC): WebRTC can reveal your real IP address even when connected to a VPN.
   Mitigation: Disable WebRTC in your browser settings or use a browser extension designed to prevent leaks.
5. Malware on the Server: If malware infects the VPN server, it could compromise user data.
   Mitigation: Again, choose a provider with robust security measures and regular server scans.

Steps to Improve Your VPN Security

1. Choose a Reputable Provider: This is the most important step.
   • Look for established companies with a good track record.
   • Read independent reviews and comparisons.
   • Check where the company is based – data privacy laws vary significantly by country.
   • Ensure they offer strong encryption (AES-256 is standard).
2. Verify No-Logs Policy: Don’t just take their word for it.
   • Look for providers that have had their no-logs policies independently audited by a third party.
3. Check for DNS Leaks Regularly: Use DNSLeakTest to confirm your DNS requests are going through the VPN server.

   nslookup google.com

   Compare the IP address shown with your VPN’s IP address.

4. Disable WebRTC: This prevents IP leaks in browsers that support it.
   • Chrome/Edge: Type chrome://flags/#disable-webrtc into the address bar and disable ‘WebRTC non-public interface’.
   • Firefox: Type about:config into the address bar, search for ‘media.peerconnection.enabled’ and set it to ‘false’.
5. Use a Kill Switch: A kill switch automatically disconnects your internet connection if the VPN drops, preventing unencrypted data from being sent.

   Most good VPN apps have this feature – make sure it’s enabled.

6. Keep Your VPN Software Updated: Updates often include security patches.
   Tip: Enable automatic updates if available.
7. Combine with Other Security Measures: A VPN is one layer of protection.
   • Use strong, unique passwords.
   • Enable two-factor authentication wherever possible.
   • Be cautious about clicking suspicious links or downloading unknown files.

In Conclusion

VPNs are a valuable tool for improving your online privacy and security, but they aren’t foolproof. By choosing a reputable provider, verifying their policies, and taking additional precautions, you can significantly reduce the risks and enjoy a safer browsing experience.