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.

Earlier today we showed you everything you need to do to patch your mobile devices and other computers against the Meltdown-Spectre chip vulnerability that would allow malware apps to steal sensitive ...

For Windows users who frequently use the TorBrowser, there's been a pressing concern. Recent versions of the TorBrowser, specifically because of the tor.exe file it contained, were being flagged as ...

ZDNET tested the best antivirus software on the market, with support for multiple operating systems, VPNs, and robust protection.

Consumer Reports has no financial relationship with advertisers on this site. In an era when malware is a looming threat to personal computers—not to mention smartphones, routers, and even TVs—the ...

Microsoft Corp., whose popular Windows software is a frequent target for Internet viruses, is offering a free security program to remove the most dangerous infections from computers. The program, with ...

Earlier this week, the always informative Bleeping Computer reported that an update to Microsoft Defender Antivirus for Windows 10 users meant it could itself be used to download malware files. So, ...

Microsoft will include antivirus in Windows 8 for the first time in the history of Windows. But will this software–the new version of Windows Defender–provide adequate protection against viruses, ...

When you launch Windows Security on Windows 11, you may see a message You’re using other antivirus providers. This prevents you from activating the Real-time protection of Windows Defender against ...

Like it or not, your Windows 10 is highly vulnerable to all kinds of pernicious attacks — and hackers are just getting more and more creative with creeping into your personal computer. Denial of ...