VPNs have gone from niche privacy tools to mainstream software used by millions. But there's a lot of misinformation out there. Here's what a VPN actually does, what it doesn't, and which services are worth paying for.
What Does a VPN Actually Do?
A VPN (Virtual Private Network) encrypts your internet traffic and routes it through a server in a location of your choosing. This hides your real IP address and prevents your ISP from seeing what you're browsing.
What a VPN Does NOT Do
- Make you completely anonymous online
- Protect you from malware or phishing
- Hide your activity from websites you're logged into
- Guarantee 100% privacy (the VPN provider can still see your traffic)
When Should You Use a VPN?
- On public Wi-Fi (cafes, airports, hotels) to prevent snooping
- To access geo-restricted content on streaming platforms
- To prevent your ISP from tracking and selling your browsing data
- When travelling to countries with heavy internet censorship
Best VPNs of 2025
Mullvad VPN
The gold standard for privacy. Accepts anonymous payments, no account email required, strict no-logs policy audited by third parties. £5/month flat.
ProtonVPN
Based in Switzerland, open-source apps, excellent free tier (no data limit). Strong privacy credentials.
ExpressVPN
Fastest speeds, largest server network, best for streaming geo-restricted content. £6–8/month on annual plans.
NordVPN
Feature-rich with Threat Protection (ad/malware blocking), Double VPN, and Onion over VPN. Good value on multi-year deals.
Free VPNs: Are They Safe?
Most free VPNs monetise by selling your data — the opposite of what you want. Stick to ProtonVPN's free tier or pay for a reputable service.
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