Bitlocker Drive Encryption
Windows 7 Enterprise, Windows 7 Ultimate, Windows 8 Pro, Windows 8 Enterprise, Windows Server 2008, Windows Server 2008 R2, and Windows Server 2012 comes with a feature called BitLocker Drive Encryption. BitLocker Drive Encryption is designed to protect the data on lost, stolen, or inappropriately decommissioned computers.Only the operating system drive or internal hard drives can be encrypted,files on other type of drives must be encrypted with Bitlocker To Go.Bitlocker uses a Trusted Platform Module version 1.2 or higher to store the security key.If the TPM discovers a potential security risk such as a disk error or changes made to the BIOS,hardware,system files or startup components,the system drive will not be unlocked until you enter the 48 digit Bitlocker recovery password or use a USB drive with the recovery key as a recovery agent.