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New guides and explainers, newest first.

Privacy Guides

What Is Two-Factor Authentication?

Two-factor authentication asks for a second proof of identity in addition to your password, so a stolen password alone is not enough. Here is how the main methods compare and how to start.

7 min read

VPN Security

What Is VPN Encryption?

VPN encryption scrambles your data between your device and the VPN server. Here is how keys, ciphers and the handshake work, and what encryption cannot do.

8 min read

Buying Guides

What to Check Before Paying for a VPN

A short, practical checklist covering billing, refunds, device support, setup and claims, so you can judge a VPN before your card is charged rather than after.

7 min read

Buying Guides

Why Choose a VPN Without Auto-Renewal?

Auto-renewal is convenient for the seller and sometimes for you, but it can also turn a one-off need into a bill you forget about. Here is how to decide which model fits your use.

7 min read

VPN Basics

Why Internet Speed Changes With a VPN

Using a VPN adds distance, encryption and another network to your path, so speed often changes. This guide explains why, how to measure it properly and what to try when it feels slow.

7 min read

VPN Security

WireGuard vs OpenVPN Explained

WireGuard and OpenVPN both build encrypted tunnels, but they differ in design, complexity and flexibility. Here is a plain comparison and how to think about the choice.

8 min read