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.

How do I fix the your connection is not private error? We'll show you what to do when the your connection is not private error appears.

TCP drives reliable data transfers while UDP prioritizes speed and efficiency. Read more to understand the differences between TCP vs UDP.

Learn how to clear cache on Mac or MacBook, including clearing cached data from your browser, system, apps, and library caches.

Ever seen the message: This tweet might include sensitive content? You need to change your Twitter media settings to see sensitive content.

Learn how to delete your Google search history from your phone or computer and permanently erase recent activity from your Google account.