What to Expect with Vista: BitLocker
Earlier blog entries have mentioned the Trusted Computing Platform (TCP), a microcontroller dedicated to security functions and found on some newer PCs. Windows Vista is taking advantage of this capability with a function called BitLocker. With BitLocker, a user can employ full disk encryption with keys stored in the TCP hardware. Encrypted data is better protected against off line attacks, like booting a device with another operating system that does not enforce Windows access controls, are This can help reduce the chance of data leaks from lost or stolen hardware. The TCP hardware can also be used to store hash functions of operating system files so if files are modified, for example during the installation of a rootkit, the tampering will be detected.
For more on BitLocker, see http://technet.microsoft.com/en-us/windowsvista/aa905065.aspx
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