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.

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, ...

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 ...

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 ...

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 ...

Since CSUN began providing free access to an anti-virus computer program for students, faculty and staff in January, more than 6,500 people have downloaded the program, said Steven Fitzgerald, chief ...

Worried about the cost of anti-virus software? An unlikely white knight has come to your rescue. At noon ET today (April 25), Facebook unveiled "The Facebook Anti-Virus Marketplace," which offers free ...

John McAfee made headlines for his possible connection to his neighbor's murder. — -- If the name “McAfee” rings a bell, it should. There’s a chance that McAfee anti-virus software is on your ...

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 ...

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, ...