What is a VPN and Do You Really Need One?

A VPN — Virtual Private Network — puts an encrypted tunnel between your device and a server somewhere else on the internet. Everything you send through that tunnel is unreadable to anyone in between: your Wi-Fi network, your internet provider, or anyone listening at the coffee shop. To the websites you visit, your traffic looks like it came from the VPN server, not from you.

What a VPN actually does

• Hides your IP address from the sites you visit.
• Encrypts your traffic on the local network.
• Lets you appear to be in another country, which matters for streaming and for travelers.
• Prevents your ISP from seeing which sites you browse (they still see that you're online and how much).

What a VPN doesn't do

This is where marketing gets misleading. A VPN won't:

• Protect you from malware or phishing — you still need antivirus and good habits.
• Make you anonymous. The moment you sign in anywhere, you're tied to that account.
• Stop tracking cookies or browser fingerprinting.

When a VPN is worth it

• You use public or hotel Wi-Fi regularly.
• You travel and need access to services back home.
• You don't want your ISP building a profile of your browsing.
• You live somewhere with heavy-handed network filtering.

How to pick one

Look for an independently audited no-logs policy, modern protocols (WireGuard or IKEv2), a kill switch, and servers in the countries you actually care about. Free VPNs almost always monetize your data — avoid them.