Bit Locker Drive Encryption
BitLocker Drive Encryption is a full disk encryption feature included with the Ultimate and Enterprise editions of Microsoft's Windows Vista, Windows 7, and with Pro and Enterprise editions of Windows 8 desktop operating systems, as well as the server platforms, Windows Server 2008, Windows Server 2008 R2 and Windows Server 2012. It is designed to protect data by providing encryption for entire volumes. By default it uses the AES encryption algorithm in CBC mode with a 128 bit key, combined with the Elephant diffuser for additional disk encryption-specific security not provided by AES.
Read more about Bit Locker Drive Encryption: Availability, Overview, Operation, Security Concerns
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