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Communication control device, data security system, communication control method, and computer product

  • US 9,262,650 B2
  • Filed: 07/09/2009
  • Issued: 02/16/2016
  • Est. Priority Date: 07/24/2008
  • Status: Active Grant
First Claim
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1. A data security system, comprising:

  • an information processing apparatus; and

    a communication control device configured to access the information processing apparatus, the communication control device including;

    a first memory, anda first processor,wherein the information processing apparatus including;

    a second memory in which data is stored, anda second processor,wherein the first processor coupled to the first memory and configured to execute a process, the process including;

    acquiring an operational mode of the information processing apparatus according to an instruction to perform a security process to the information processing apparatus,determining that the acquired operational mode indicates that the information processing apparatus is in one of a standby mode, a hibernate mode, and a shutdown mode, and transmitting an activation command to the information processing apparatus, andtransmitting security command to the information processing apparatus,wherein the second processor is coupled to the second memory and configured to execute a process including;

    encoding, by using a cipher key, the data stored in the second memory of the information processing apparatus, andrecording the cipher key used in the encoding of the data in the second memory,activating, in response to receiving the activation command, the information processing apparatus, andexecuting the security process in response to receiving the security command, the security process deleting the cipher key recorded in the second memory.

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