A computer virus is a type of malware that can spread quickly between computers and other devices. Learn how viruses work and how to protect against them.

A VPN is a secure, encrypted connection that protects your privacy online. Learn what VPNs are, how they work, and why they're essential to your security.

Wondering why your internet is so slow? Read our full guide to find out how to improve your connection right now, whether you're on Wi-Fi or Ethernet.

We all have some concept of hacking - but do you really know what it is? Read our full hacking definition here.

Is Snapchat safe for kids? What is it and how does it work? Here's everything that curious parents need to know about Snapchat and its most common dangers.

Find out what data encryption is and how it works. Keep your data encrypted and your personal information protected online.

Is your computer slow or struggling to install the latest updates? Learn how to clear disk space and clean up hard drives on a Mac or Windows PC.

Worried your information has landed on the dark web? Learn about dark web scanners and what you can do if your email is found on the dark web.

Find out how to defrag a Mac and whether it's necessary, or discover alternatives to defragmentation. Keep your Mac's drive and disk in order.