VPN GUIDE

VPN benefits and limitations

A VPN is useful for protecting a network path and changing the IP visible to remote services. It cannot secure a compromised device or erase every tracking signal.

Practical benefits

  • Hide the original IP: remote services usually see the VPN exit IP.
  • Protect untrusted networks: the tunnel limits what a public Wi-Fi operator can directly inspect.
  • Change the exit location: traffic can appear to originate from another city, region or country.
  • Protect business access: corporate VPNs can expose internal resources only to authenticated remote users.

Important limitations

  • Cookies and account identifiers continue to work.
  • Browser version, language, screen and other fingerprinting signals remain available.
  • The VPN provider becomes an intermediary with access to important metadata.
  • Encryption and detours may reduce performance.
  • A VPN is not an antivirus or password manager.

How to choose a service

Review logging policy, company ownership, supported platforms, protocols, kill-switch behavior, technical transparency, published audits, device limits and renewal pricing. Free is not automatically bad and paid is not automatically trustworthy; the business model should be understandable.

See what a VPN does not hide

Open My Info before and after connecting to a VPN. You can observe the IP and location change while browser and device characteristics often remain similar.

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