What is a VPN?
A Virtual Private Network (VPN) creates an encrypted tunnel between your device and a VPN server. Your internet traffic passes through this tunnel, hiding your IP address and encrypting your data from local observers.
how-vpn-works
You → [Encrypted Tunnel] → VPN Server → InternetYour ISP sees: Encrypted traffic to VPNWebsites see: VPN server's IP address
What VPNs DO
- Hide your IP address from websites
- Encrypt traffic from your ISP and local network
- Protect you on public WiFi networks
- Bypass geographic content restrictions
- Prevent ISP traffic logging and throttling
What VPNs DON'T Do
VPN Marketing Myths
Many VPN ads make exaggerated claims. Understand the limitations.
- Make you anonymous (you're traceable through many other methods)
- Protect against malware or phishing
- Prevent all tracking (cookies, fingerprinting still work)
- Make illegal activities safe
- Guarantee privacy (you trust VPN provider instead of ISP)
Choosing a VPN Provider
Key factors to evaluate when selecting a VPN service:
Essential Criteria
- No-logs policy - Verified by independent audit
- Jurisdiction - Outside 14 Eyes countries preferred
- Open source clients - Code can be reviewed
- WireGuard or OpenVPN - Modern, audited protocols
- Kill switch - Blocks traffic if VPN disconnects
Recommended Providers
| Provider | Based In | Audited | Price |
|---|---|---|---|
| Mullvad | Sweden | Yes | €5/month |
| ProtonVPN | Switzerland | Yes | Free-$10/mo |
| IVPN | Gibraltar | Yes | $6/month |
VPN Best Practices
- Always enable kill switch
- Use WireGuard protocol when available
- Connect before accessing sensitive sites
- Don't rely on VPN alone for anonymity
- Test for DNS and WebRTC leaks
- Pay anonymously if privacy is critical