For most people using a supported and fully updated Windows 11 computer, yes: Microsoft Defender Antivirus and the other protections inside Windows Security are sufficient as the primary antivirus.

I've been testing antivirus protection since the 1980s, and I’ve consistently recommended securing your devices with a strong antivirus—yes, even a free one can do the job. In a recent post, Microsoft ...

Microsoft Defender has gone from a placeholder to something you can reasonably trust. For a lot of people, Defender is good enough. But that’s the part that people may miss. “Good enough” depends on ...

Earlier this year, Microsoft quietly deleted a post that argued Windows 11's built-in Microsoft Defender Antivirus was good enough for most people. But independent evidence says they were right. Last ...

Microsoft veteran Raymond Chen, who has been with the company for more than three decades, has advice for everybody with two or more antivirus solutions, and it’s quite straightforward. Just don’t use ...