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Method of preventing fraudulent use of a security module

  • US 9,173,105 B2
  • Filed: 11/06/2012
  • Issued: 10/27/2015
  • Est. Priority Date: 11/08/2011
  • Status: Active Grant
First Claim
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1. A method of preventing fraudulent use of a security module in a device, the method being automatically performed by the security module, the method comprising:

  • retrieving a device identifier of the device from the device;

    checking whether negative allowance information is stored in the security module for the retrieved device identifier;

    checking whether positive allowance information is stored in the security module for the retrieved device identifier;

    when neither negative allowance information nor positive allowance information are stored in the security module for the retrieved device identifier, transmitting a security module identifier of the security module and said retrieved device identifier to a server, wherein said server contains information on what security module identity is allowed to operate with what device identity;

    receiving a response from said server regarding whether the security module is allowed to operate with the identified device; and

    storing negative allowance information in the security module for the retrieved device identifier, if the security module is not allowed to operate with the identified device according to the server response.

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