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System and method for preventing access to data on a compromised remote device

  • US 9,083,707 B2
  • Filed: 02/27/2014
  • Issued: 07/14/2015
  • Est. Priority Date: 08/09/2002
  • Status: Expired due to Term
First Claim
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1. A method of controlling access to data held on a mobile device, the method comprising:

  • maintaining, on a mobile device which is a client of a server system, a plurality of sets of data items, the plurality of sets of data items comprising;

    a first set of data items comprising data items to be synchronized between the server system and the mobile device via a wireless data connection, such that values of data items of the first set are updated at the server system in response to changes thereto on the mobile device, and values of data items of the first set are updated at the mobile device in response to changes thereto at the server system; and

    a second set of data items, different to the first set of data items, the second set of data items comprising data items which are not synchronized with the server system;

    receiving, at the server system, an indication that the mobile device has a deauthorized status, the indication originating from a source other than the mobile device;

    transmitting, from the server system to the mobile device, in response to the indication, a command to prevent access to the first set of data items; and

    responsive to receipt of the command at the mobile device, selectively erasing data items on the mobile device, such that;

    data items of the first set of data items are erased; and

    access to data items of the second set of data items is maintained after receipt of the command.

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