Microsoft plans to remove Defender Application Guard from Office by December 2027, starting with the February 2026 release of ...

Microsoft to retire Defender Application Guard from Office by 2027, replacing it with Protected View for a unified, lighter ...

Microsoft Defender Application Guard’s Hyper-V malicious detection is being abandoned in favor of a faster rules-based design ...

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

You can also use Windows Security to turn off the firewall on Windows 11. Here are the detailed steps: Step 1 : Press the Win button on the keyboard or click the Start button to open the Start Menu, ...

2025年10月14日，微软正式终止对 Windows 10 的主流支持。这意味着，从这一天起，除非你额外付费，否则你的 Windows 10 电脑将不再收到任何安全更新、漏洞修复或新功能推送。对于全球数亿仍在使用 Windows 10 ...

Learn what’s new in Microsoft 365 this month, from Teams upgrades to AI Copilot GPT-5 and OneDrive transfers, plus Windows 10 support actions.

A China-linked hacking group is exploiting a Windows zero-day in attacks targeting European diplomats in Hungary, Belgium, ...

Microsoft Defender bug mislabels SQL Server versions as unsupported software Fix rolling out to reverse code change behind inaccurate end-of-life tagging Recent Defender issues highlight ongoing ...

Chinese threat actor exploiting an unpatched Windows shortcut vulnerability in fresh attacks targeting the diplomatic ...

Expanded ITDR features. including the new Microsoft Defender for Identity agent, help customers modernize their identity defense.

Windows 10 ends non-security support today; however, ESU (Extended Security Updates) continues to provide security updates for enrolled users. Microsoft Defender will maintain detection and protection ...