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.

Throttling occurs when your ISP slows down the speed of your internet connection. Here's why internet throttling happens and how to stop it.

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.

Learn what phone spoofing is, how to tell if your phone number is being spoofed, and how to block and stop caller id spoof calls.

Can you replace an HDD with an SSD on a MacBook Pro, Air, iMac, or Mac Mini? Learn how to upgrade the speed and performance of your Mac with an SSD.