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.

What is a browser hijacker, and what risks and damage can browser hijacking cause? Learn how to remove browser hijackers and defend against them here.

What is geo-blocking and how can it be bypassed? Find out how geo-blocking works, why it's used, and how a VPN can help.

Is your Mac overheating or the fan making a lot of noise or not working? Learn about the causes of a hot Mac and how to stop your MacBook from overheating.

What is Spear phishing? Learn how this targeted form of phishing works & how to protect yourself from spear phishing attacks & emails with real examples.

Does Alexa spy on you and record your conversations? Learn about Alexa security and privacy, Amazon Echo, and how to stop Alexa from listening to you.