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.

Find out how to permanently and securely delete files from Windows devices. Learn how to delete a file permanently without moving it to the Recycle Bin.

A distributed denial of service (DDoS) attack can prevent an online destination from serving users by flooding it with traffic. Learn about DDoS attacks here.

Keyloggers are malicious programs that record everything you type. Learn how keyloggers steal personal data and how to prevent them here.