Windows 8 In Depth

Locking Your Computer

In Chapter 32, “Protecting Your Data from Loss and Theft,” you learn a few more security tweaks, including important measures such as advanced file permissions and encryption. These two features are great, but they each have one small flaw: they rely on the assumption that after you’ve entered a legitimate username and password to log on to your Windows user account, only you will use your computer. This means that after you log on, you become a “trusted” user and you have full access to your files, even if they’re protected by permissions and encryption.

This is certainly reasonable on the surface. After all, you wouldn’t want to have to enter your account credentials every time you want to open, edit, create, or delete ...