Antivirus apps protect your PC's personal information, data, bank accounts, and other sensitive information. We've tested more than two dozen utilities to help you choose the right antivirus for your ...

Computer viruses can invade your system without you noticing, disrupting its operation and even stealing your data. To protect your device, it's important to know how to recognize signs of infection, ...

With dubious reports of a nascent malware menace threatening Mac OS X's current status as (for all intents and purposes) a virus-free platform, many readers have inquired about the need for ...

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, ...

Dennis O'Reilly began writing about workplace technology as an editor for Ziff-Davis' Computer Select, back when CDs were new-fangled, and IBM's PC XT was wowing the crowds at Comdex. He spent more ...

Q: With all of the new security features in Windows 11, should I still install some form of anti-virus software and if so, which one? A: Microsoft has definitely stepped up the security features in ...

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 ...

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, ...

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.