Microsoft claims that Windows 11's built-in security tool is enough for most PC users, but that's only the case if the tool works. An issue affecting some PCs prevents security scans from being ...

Microsoft this week announced that its Microsoft Defender Vulnerability Management solution can now scan Windows devices that are lacking certain agent support. This capability, called "authenticated ...

Threat actors can take advantage of a weakness that affects Microsoft Defender antivirus on Windows to learn locations excluded from scanning and plant malware there. The issue has persisted for at ...

Discover the best antivirus software for 2026. We tested top picks comparing malware protection, phishing tools, features, pricing, and device support.