Learn how BitLocker, passkeys, Microsoft Defender, and other Windows 11 security features protect your data, accounts, apps, ...

Windows Defender supports Windows XP, Windows 2000, and Windows Server 2003. Microsoft's Windows Defender product manager Mike Chan says the anti-spyware utility, which was originally acquired when ...

Do you still need third-party antivirus on your Windows PC?

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.

Microsoft released a new Defender update for Windows 11,10, and Server installation images. It patches backdoors, ransomware, and more. Microsoft published a new Defender update for Windows ...

Microsoft published a new Defender update when it released its October 2024 Patch Tuesday (it did not release any in November.) This update package is necessary as a Windows installation image may ...

The feud between "NightmareEclipse" and Microsoft continues to hold unpleasant surprises for the Windows ecosystem. The ...

A patch Microsoft released on Wednesday to fix a zero-day vulnerability in its Defender security engine may cause Windows ...

Microsoft has resolved an issue that breaks multiple Microsoft 365 Defender features using the network data reporting service after installing July's Windows Server updates. The Microsoft 365 Defender ...

Microsoft is ending Windows 10 support for most users on October 14, 2025 and the company has been urging users to upgrade to Windows 11. But in what seems to be a tacit acknowledgment that a lot of ...

Microsoft shares key Windows Server hardening tips, covering OSConfig, Defender, Server Core, App Control, and firewall ...

Microsoft Defender (previously Windows Defender) has been a part of the Windows operating system since the early 2000s, with Microsoft improving and iterating on it up to the present — and presumably ...