VPN Reviews
What Is a VPN and Do You Need One? A Plain-English Guide
How a VPN works, what it protects (and what it doesn't), when it's worth using, and how to choose a trustworthy provider — explained simply with real examples.
A VPN (virtual private network) creates an encrypted tunnel between your device and a server run by the VPN provider. Websites see the VPN server's IP address instead of yours, and anyone on your local network — like a café's Wi-Fi — sees only encrypted traffic.
How it works in 4 steps
- You open the VPN app and connect to a server (say, in Frankfurt).
- Your device encrypts all traffic before it leaves.
- The VPN server decrypts it and forwards it to the website.
- The website replies to the VPN server, which sends it back to you, encrypted.
Real-world examples
- Airport Wi-Fi: you log in to your bank or ad manager — a VPN stops others on the network from snooping.
- Travelling abroad: you can connect to a server in your home country to use services you already pay for, within their terms.
- Remote team: staff connect to company resources securely.
What a VPN doesn't do
- It doesn't make you anonymous — you're still logged in to Google, Facebook, etc.
- It doesn't block viruses or phishing — you still need antivirus and good habits.
- It shifts trust from your ISP to the VPN provider — so choose one with audited no-logs claims.
How to choose a VPN
- Independent no-logs audit or RAM-only servers.
- WireGuard (or a similar modern protocol) and a kill switch.
- Apps for all your devices.
- A clear money-back policy.
Start with our best VPN services or best free VPNs.
Frequently asked questions
Does a VPN hide my browsing from my employer?
Not on a work-managed device. Employers can monitor company devices and networks through other tools regardless of a VPN.
What is a VPN kill switch?
A kill switch blocks internet traffic if the VPN connection drops, so your real IP address isn't exposed accidentally.
Editors & researchers
Our editorial team researches, tests and fact-checks every guide. Articles are reviewed against our editorial policy before publishing and re-reviewed on a schedule.
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