Microsoft Defender Antivirus, formerly known as Windows Defender, is a built-in antivirus and antimalware service that comes with Windows 10, Windows 11 and some versions of Windows Server. In its ...

Hackers abuse Microsoft Defender exclusions to hide malware from scans, sheltering malicious files and evading detection.

Microsoft Windows offers multiple layers of protection to help defend against modern cyber risks. This guide covers key security technologies, including Defender Antivirus, Smart App Control, and ...

Microsoft has attempted to provide PCs with antivirus software for ages, all the way back to Microsoft Anti-Virus for MS-DOS in 1993. Its Windows incarnation started life as Microsoft AntiSpyware in ...

With the constant and evolving threat of malware, Windows Defender Antivirus employs a series of technologies to keep Windows Server protected. While malware incidents can disrupt the workplace when ...

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 is testing a new Defender for Endpoint capability that will automatically isolate compromised endpoints to thwart attackers' attempts to move laterally across the network. This is now ...

Microsoft has resolved a bug that caused Windows Defender to crash after a recent security update, resulting in 0xc0000005 access violation errors on some affected systems. Microsoft Defender is a ...

Microsoft Defender for Endpoint now supports Linux desktops in public preview, using the server agent. Plan 2 or Microsoft ...

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