When you open a browser, send an email, or stream a video, a lot happens behind the scenes that most people never see. This category explains how the internet actually works—from how data travels from your device to a server and back, to how websites know who you are, to why some connections are faster than others. Understanding these basics helps you make better decisions about your own security and privacy online.

The articles here answer practical questions: What's the difference between Wi-Fi and mobile data? How do websites track you, and where does that information go? What does "encrypted" actually mean, and when does it matter? Why do some sites ask for passwords while others don't? You'll learn the mechanics without needing a technical background.