Security Basics

The security basics worth understanding — encryption, leaks, kill-switches and where a VPN actually helps versus where antivirus or a password manager does the real work.

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Guide Security Basics How do VPN kill switches and leak tests work? A kill switch aims to block traffic that would otherwise leave outside the VPN when the tunnel fails. Its coverage can vary by app, operating system, protocol and mode, so test the exact setup you use and repeat after material updates. 5 min read · updated Oct 2026
Guide Security Basics What does a VPN not protect you from? A VPN can protect traffic on the path between your device and its gateway and replace the public IP a destination sees. It does not secure an infected device, prevent phishing, erase cookies or account identity, control the destination, or guarantee anonymity. 4 min read · updated Oct 2026