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Disk encryption with Windows Vista
Saturday, October 14th, 2006
Until now, it has been all too easy to hack into Windows-based systems.
Anyone who starts the PC using boot media such as a Linux live CD can just prise protective mechanisms such as the NTFS-based EFS (Encrypting File System) out of the way, as EFS doesn’t encrypt all the data saved on the hard disk. Numerous pre-boot and system files, as well as temporary data, remain accessible this way.
In many cases, valuable data on lost or stolen notebooks has not even been protected using EFS. A Windows password isn’t enough to prevent data theft using, for example, a live Linux or XP CD.
Total encryption
This is where Vista’s Bitlocker, also known as Full Volume Encryption (FVE), comes in.
This new feature encrypts the operating system drive (Volume) completely on a sector basis rather than by files, so it protects all data, including that in the Paging File, Hibernation File and all system files. If applications from third-party manufacturers are installed on the encrypted disk, then Bitlocker protects their data, too. Disk encryption with Microsoft’s Vista - Personal Computer World
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