Hard-drive encryption is a technology that employes sophisticated mathematical functions to convert data stored on a hard drive into a form that is not recognizable to unauthorized persons. Without an appropriate key or password, the data cannot be read. Hard-drive encryption provides protection against hackers and other online threats.
Specialized software is used to encrypt the data written to the hard drive. When a file is read, it must be decrypted by the software while leaving all the other data on the drive encrypted. The encryption/decryption process does not affect other applications or programs. The encryption/decryption process is invisible to the user, although it may cause the computer's processing times to be slower.
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