Disk Hero before a file is backed up COMPRESSES a file (shrinks it) then ENCRYPTS it (see below) using your unique USER NAME and PASSWORD combination. Then the encrypted file is transferred to the backup storage redundant facilities and the entire transfer process is protected by a 128-bit SSL connection. When the file arrives on to the back up facilities it remains fully encrypted.
How Strong is 128-Bit AES Encryption?
What is the chance that someone could use the "DES Cracker" - like hardware to crack an AES key? In the late 1990s, specialized "DES Cracker" machines were built that could recover a DES key after a few hours. In other words, by trying possible key values, the hardware could determine which key was used to encrypt a message. Assuming that one could build a machine that could recover a DES key in a second (i.e., try 255 keys per second), then it would take that machine approximately 149 thousand-billion (149 trillion) years to crack a 128-bit AES key. To put that into perspective, the universe is believed to be less than 20 billion years old.
Source: at the bottom of this linked page: http://www.chilkatsoft.com/ChilkatSfx.asp
