A computer virus is designed to infect programs & files with malicious code, changing how a computer operates and spreading across systems.

What is a VPN? What does it do? How does it work? And how can you use a VPN? Learn all about a VPN's definition and uses in our guide.

Wondering why your internet speed is slow? Learn how to improve your internet 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 biometric data? Find out how biometric data works, how fingerprints can secure your data, and learn the security risks of biometrics.

Learn how to fake your location on an iPhone with a VPN, if it's legal, and how to change other iPhone location settings such as GPS.

What is the Startup Disk Full error on Mac? Find out what this error message means and how to clean a Mac hard drive and free up disk space.

Beware of sugar daddy scams on your favorite social media. Report fake sugar daddies directly to the network and learn how to avoid scams.

Learn the most common causes why a phone gets hot, how to cool it down fast, and what you can do to stop your phone from overheating.