What is VPN for Beginners?
A plain-language guide to understanding what a VPN does, when to use one, what it doesn't protect against, and how to choose a trustworthy provider.
A VPN (Virtual Private Network) creates an encrypted tunnel between your device and a server, hiding your internet activity from your ISP and local network.
What a VPN Does
- Hides your IP address from websites you visit
- Encrypts your traffic so your ISP can't see what you browse
- Bypasses geo-restrictions by making you appear in another country
- Protects on public WiFi from local eavesdroppers
What a VPN Does NOT Do
- Does NOT make you anonymous (the VPN provider can see your traffic)
- Does NOT protect against malware or phishing
- Does NOT prevent browser fingerprinting
- Does NOT protect you if you log into accounts (your identity is known)
How to Choose a VPN
- No-logs policy: The VPN should keep no records of your activity
- Independent audit: Has the no-logs claim been verified?
- Jurisdiction: Outside Five Eyes is preferred (but less important if truly no-logs)
- Open source: Can the client be audited? (WireGuard-based clients are preferred)
- Payment: Accepts cash or cryptocurrency? (for anonymous signup)
Recommended VPNs
- Mullvad: No email required, accepts cash, independently audited
- IVPN: Transparent, open source, accepts crypto
- Proton VPN: Swiss jurisdiction, free tier available, part of Proton ecosystem
When to Use a VPN
- Always on public WiFi
- When you don't want your ISP logging your browsing
- When accessing services that block your country
- When torrenting
Related Terms
DNS Leak
A security flaw where DNS queries bypass your VPN or proxy and are sent through your normal ISP connection, revealing the websites you visit even when your other traffic is protected.
Split Tunneling
A VPN feature that lets you route some traffic through the VPN while other traffic goes directly to the internet.
Virtual Private Network
A technology that creates a secure, encrypted connection over a less secure network, such as the public internet. VPNs mask your IP address, encrypt your internet traffic, and can make it appear as though you're browsing from a different location.
Virtual Private Network Kill Switch
A VPN feature that blocks all internet traffic if the VPN connection drops, preventing accidental exposure of your real IP address.
VPN Protocol
The set of rules and encryption methods that determine how a VPN tunnel is established and how data is transmitted through it.
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