Patent ID: 9049596
Filing Date: 2015-06-02
Classification: H04W

Abstract:
1. A method of transferring an international mobile subscriber identity (IMSI) of a first subscriber identity module (SIM) card installed in a first device to a second SIM card installed in a second device, the method comprising: generating, by a knowledge-based authentication (KBA) processor, a set of KBA questions based on data obtained from the first device; receiving, at the KBA processor, a request from a user to transfer the IMSI of the first SIM card to the second SIM card; providing, by the KBA processor, KBA questions of the set of KBA questions to the user; receiving, at the KBA processor, a set of answers to the KBA questions; and performing, by the KBA processor, a KBA operation serving to produce an authentication result from the set of answers, the authentication result being indicative of a success or failure to authenticate the user.