1. 物理安全密钥与BitLocker加密概述 在数据安全领域，物理安全密钥作为"第二因素认证"的硬件载体，配合BitLocker全盘加密技术，能构建从物理层到逻辑层的立体防护体系。我曾在金融行业IT部门部署过上百台采用这种方案的终端设备，实测可有效防御99%的线下数据窃取行为。

BitLocker protects Windows drives by encrypting the data stored on them. This protection can become a problem if Windows suddenly asks for a recovery key and you cannot find it. A Windows update, BIOS ...

Fix a stuck BitLocker decryption on Windows 11. Step-by-step solutions including manage-bde commands, CHKDSK, Safe Mode, and ...

IntroductionIn the Windows 11 feature update (26H2), a new feature called "Point-in-Time Restore (PITR)" is attracting ...

Microsoft’s Authenticator can store a backup in the cloud. Starting in January, this will no longer be possible for personal ...

Have you ever experienced turning on your computer in the morning, only to be met not with your familiar desktop, but with a solid blue screen displaying a warning that says "Recovery: Enter the ...

Windows wants to be your only OS. It's up to you whether it succeeds.

Password managers, MFA, passkeys, and digital hygiene: a practical checklist for reducing the risk of cybercrime and identity ...

dislocker encrypts the unencryped backup NTFS boot record the sector before that "leaks" the sector key, indicating that the incorrect sector key is applied. I'm currently looking into the ...

The countdown has begun. On October 13, 2026, Microsoft will officially end support for Office 2021. After that date, the ...

How to Backup BitLocker Recovery Key Before You Need It byPC Tech Team September 20, 2026 ...