Learn how to open and configure Windows Defender settings in Windows 11 to protect your PC from viruses and online threats.

Defender will continue to provide security even for unsupported Windows 10 PCs. But Microsoft still wants you to move to Windows 11.

Microsoft Defender is the anti-virus software included with a subscription to Microsoft 365 and available on various operating systems. Don't confuse it with Windows Defender, the security system ...

Microsoft is testing a new Defender for Endpoint capability that will block traffic to and from undiscovered endpoints to thwart attackers' lateral network movement attempts. As the company revealed ...

This past week Microsoft released the Patch Tuesday updates for August 2025 on Windows 10 (KB5063709 / KB5063877 / KB5063871 / KB5063889) and for Windows 11 (KB5063878, KB5063875). Aside from that, ...

Thousands of users reported issues or outages with Microsoft Azure and Microsoft 365, outage tracking website Downdetector showed.