The word 'virus' gets tossed around a lot. Here's what actually counts, what to watch for, and how to stay two clicks ahead ...

What Is a Computer Virus? A computer virus is a program. Like other programs, it’s defined by what it does, and the big thing a virus does is replicate itself. The virus exists as a collection of ...

Back in 2023, we asked anti-virus expert Andreas Marx of AV-Test how so many infections escape antivirus software, even though it actually protects well. His answer: “Many programs successfully fend ...

Realizing that your computer is infected with a virus can be a heart-stopping moment, but there's no need to panic. Viruses or other malware can have a devastating effect on your PC, slowing its ...

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, ...

If a ransom note suddenly appears on your PC screen, your PC has been hacked. But computer attacks are not always so drastic and clear-cut. For the less obvious cases, you’ll need a finer sense and ...

The human mind loves to categorize things, and malware is no exception. We here at CSO have done our part: our malware explainer breaks down malware based on how it spreads (self-propagating worms, ...

Some Internet security companies are warning about the dangers they say exist from a new level of cyber attacks based on dynamic code obfuscation. However, makers of top-rated antivirus protection ...

In the digital age, our lives have become inexplicably intertwined with the internet. From paying our bills, and going to school, to doing our jobs, its ubiquity has changed the world in ways we could ...