Microsoft Defender isn't bad, but it's not enough to fully protect your PC. You don't have to pay extra, though—just use one of the top free antivirus apps we've tested.

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, ...

Add Yahoo as a preferred source to see more of our stories on Google. Ever hear the phrase “spread like a virus”? We quite literally witnessed it the past few years. Like biological viruses, computer ...

A man uses a laptop at a coffee shop in downtown Hanoi. - AFP A man uses a laptop at a coffee shop in downtown Hanoi. - AFP In 2022, there were over 1.3 billion malware programmes in existence and 10 ...

The study of computer virus propagation models is central to understanding and mitigating digital epidemics that disrupt modern network infrastructures. Researchers have adopted a range of techniques, ...

Antivirus companies are reporting the spread of a new variant of the mass-mailing PC virus known as "Bagle." The latest version of the malicious software, which some experts refer to as an e-mail worm ...

Computer hackers could create malicious software that crosses the line from technology to biology, crafting viruses that could spread dangerous epidemics, researchers said at Black Hat Europe. “We are ...

FRANKFURT/MOSCOW/KIEV (Reuters) - A new cyber virus spread from Ukraine to wreak havoc around the globe on Wednesday, crippling thousands of computers, disrupting ports from Mumbai to Los Angeles and ...

The worm _ called "Mydoom,' "Novarg' or "WORM_MIMAIL.R' _ was replicating itself so quickly that some corporate networks were clogged with infected traffic within hours of its appearance Monday. Its ...