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Thread: Virtual Machine Encryption (TrueCrypt)

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    Virtual Machine Encryption (TrueCrypt)

    Hi,

    Would there be any additional security / benefit or even purpose in running TrueCrypt within Virtual Machines that reside on an already encrypted operating system?

    >Real OS - XP <Encryptyed>
    >>---------- Vista <Virtual Machine>
    >>---------- Ubuntu <Virtual Machine>

    I assume the VM's inherit the encryption status due to essentially just being files on the hard drive in my real OS's visibility; based on this, would "further" encryption occur if I ran TrueCrypt withing the Virtual Operating System's ?

    Cheers!

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    Re: Virtual Machine Encryption (TrueCrypt)

    An additional layer of encryption would be applied, but is it really nessecery?.. You'd be adding a lot of computational and some administrative overhead. Also, if the first layer of encryption fails, the second layer is certainly going to fail again using the same cipher suite.

    If you're concerned with the security of TrueCrypt, Linux has a vast arsonal of ciphers, and nearly a handful of ways to perform the on-disk encryption, you could use that as a host for the virtual machines.
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