Microsoft is vowing to improve the performance of its home and corporate antivirus suites after the products received failing marks from a well-known testing firm. Microsoft lost its certification ...

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.

Microsoft's decision to offer free antivirus software puts rivals such as McAfee and Symantec in a tough position. To be sure, those two--and other rivals--will be able to tout products that offer a ...

In announcing its acquisition plan Tuesday, Microsoft said it will develop new antivirus solutions, use GeCAD's technology to boost security of the Windows platform, and extend support for third-party ...

Microsoft might see the Mac as a threat to its Windows platform, but that won’t stop it from protecting macOS users. The company’s Defender anti-virus software, previously a Windows exclusive, has ...