安全启动是电脑开机时验证操作系统完整性的安全机制，工作原理是在系统启动前检查引导加载程序的数字签名，确保只有经过微软认证的代码才能运行，从而阻止恶意软件在系统启动前劫持电脑，是保护电脑免受底层攻击的第一道防线。

Windows 11 now shows Secure Boot certificate status in Windows Security. Learn what the new alerts mean and what actions you ...

Windows 10 has reached the end of support, which means cybercriminals have it in their sights. You don't have to switch if ...

Once upon a time, an antivirus program would be the one of the first pieces of software you would install on a new Windows PC. Now, that’s much less common. Many users instead now rely on the Windows ...

Nothing lasts forever. In the case of Windows 10 that nothing is security updates. With Oct. 14, 2025 being the official end of support date for users who don’t want to move to Windows 11, security ...

Are you worried that your missing Windows Defender history is hiding an infection? Windows Security’s Protection History tracks the Defender’s actions, helping you identify and remove threats easily.

Microsoft is expected to roll out the Windows 11 April 2026 update with new features, better performance, and usability ...