GPU security issues

Discussion in 'Computer Security' started by daniel_jackson@dsr.net, May 12, 2007.

  1. Guest

    So now we have video cards with programmable GPU's more powerful
    than the main CPU. Are we going to see new security threats and
    viruses that execute via the GPU instead of the CPU ?
     
    , May 12, 2007
    #1
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  2. Sebastian G. Guest

    wrote:

    > So now we have video cards with programmable GPU's more powerful
    > than the main CPU.



    for specialized tasks

    > Are we going to see new security threats and
    > viruses that execute via the GPU instead of the CPU ?



    Ehm... no? Why? I don't see any logic conclusion in that.
     
    Sebastian G., May 12, 2007
    #2
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  3. On May 12, 11:20 am, wrote:
    > So now we have video cards with programmable GPU's more powerful
    > than the main CPU. Are we going to see new security threats and
    > viruses that execute via the GPU instead of the CPU ?


    Daniel,
    In my opinion security is moving in two directions as it matures. One
    on a macro scale as how do large networks of semi-autonomous networks
    cause emergent properties that impact CIA. The second is that security
    is moving to the micro level. Not unlike the human bodies ability to
    identify rogue parts of a body, computers will become increasingly
    "paranoid" and authentication will occur between hardware and software
    within a machine. One of the first cases of this is the high
    definition copyright protection called Advanced Content Security
    Solution (ACSS). If you read the docs on this, the system requires
    constant checking for tampering with a secure execution path. This
    along with the secure bootup sequence found in some operating systems
    does not guarantee security, just guarantees that the operating system
    is functioning as coded. Thank god that no-one has figured out how to
    write a virus in the GPU as except for ACSS in vista the bus where the
    GPU is connected to is not encrypted. So the question is, how much
    trust should the CPU place in the GPU, its bus or the hard drive?
     
    SteveBattista, May 13, 2007
    #3
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