Wi-Fi & Networking
Public Wi-Fi, router security, DNS, HTTPS, Wi-Fi encryption and IP addresses explained.
What Is HTTPS and Why It Matters for Everyday Browsing
HTTPS encrypts the connection between your browser and a website. Learn what the padlock really means, what it cannot promise and how to check a page quickly.
What Is an IP Address? A Plain-English Explanation
An IP address is how devices find each other on a network. Learn the difference between public and private addresses and what yours does and does not reveal.
Is Public Wi-Fi Safe? What Actually Puts You at Risk
Public Wi-Fi is safer than its reputation, but not risk-free. Here is what can really go wrong on a shared network and the small habits that cover most of it.
How to Use a VPN on Your Router: Pros, Cons and Setup
A router-level VPN protects every device on your network at once. Here is when it makes sense, what the downsides are and how setup generally works.
How to Secure Your Home Wi-Fi Router, Step by Step
Your router is the front door to every device at home. These practical steps lock it down without needing any technical background.
How to Check for DNS Leaks and Fix Them
A DNS leak sends your website lookups outside your VPN. Here is how to test for one, how to read the result and what to do if you find it.
DNS Explained for Beginners: The Internet’s Address Book
DNS turns names like a website address into numbers computers understand. Here is how it works, who sees your lookups and what you can safely change.