From viruses to spyware, we break down the key differences so you know exactly what you're dealing with.

Over 300,000 new types of ransomware and other malicious software are discovered daily, according to the IT security research institute AV-TEST. Computer viruses can slow your devices, create a slew ...

The word 'virus' gets tossed around a lot. Here's what actually counts, what to watch for, and how to stay two clicks ahead A computer virus is a type of program that, much like a regular virus, ...

It's important to know the signs of a virus, so that you can act quickly to get rid of any malware and stay safe in future. A virus is a type of malicious software, or malware, that can replicate ...

Firewalls scan data sent to your computer for malware and attempt to block files or other data they deem suspicious. Like ...

Malware refers to any software that is designed with malicious intent. Malware includes viruses, worms, adware, spyware, ransomware and other varieties — they all work differently but tend to cause ...

A computer virus is a type of malware that can replicate itself on your computer and spread to other devices. You might be infected with a virus if your computer suddenly starts running more slowly, ...

We explore how Windows Security and Microsoft Defender protect your Windows 11 computer and why you might want to consider an alternative. Dianna Gunn built her first WordPress website in 2008. Since ...

Cassie is a former deputy editor who collaborated with teams around the world while living in the beautiful hills of Kentucky. Focusing on bringing growth to small businesses, she is passionate about ...

Discover Avast’s free version. Get full details on its key features, how it protects your device, how to safely install it, ...