Patent ID: 9589258
Date: 2017-03-07
CPC Classifications: G06Q

Claim:
1. A risk management method for a mobile device, comprising: conducting, by processing circuitry coupled to storage elements within a secure element of a user's mobile device, a pre-sign procedure enabling a payment capability of a mobile device payment application for a predetermined amount of time, the pre-sign procedure selected by a user before interfacing the mobile device to exchange transaction signals with a proximity reader of a point-of-sale (POS) terminal; verifying, by the processing circuitry running the mobile device payment application stored in the secure element, the user; obtaining, by the processing circuitry from a secure tick counter in the secure element of the user's mobile device, a first tick value; setting, by the processing circuitry of the user's mobile device, the user's mobile device into a transaction-enabled state; obtaining, by the processing circuitry of the user's mobile device when the user's mobile device is interfaced with the proximity reader of the POS terminal, a current tick value from the secure tick counter; aborting a purchase transaction when the processing circuitry determines that the secure tick counter has been one of reset or overflowed; calculating, by the processing circuitry of the user's mobile device, a difference time value between the current tick value and the first tick value; and enforcing, by the processing circuitry of the user's mobile device based on the difference time value, a risk management decision.