Patent attributes
A server comprises a communications module; a processor coupled with the communications module; and a memory coupled to the processor and storing processor-executable instructions which, when executed by the processor, configure the processor to send, via the communications module and to a remote computing device, a signal causing the remote computing device to display a unique code and a telephone number; monitor at least one instant messaging account associated with the telephone number for the unique code; after determining that the unique code has been received at the at least one instant messaging account associated with the displayed telephone number, determine that authentication for a particular account has been successful; and in response to determining that authentication for the particular account has been successful, initiate an authenticated session.