Mobile Device Location Verification for POS Payment Authorization
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Solution Overview
Problem
Credit card fraud, particularly at point-of-sale (POS) transactions, remains a significant issue as existing systems lack effective measures to verify the actual cardholder's identity and location, leading to potential fraudulent activities.
Innovation Solution
The proposed solution involves using a mobile device associated with the cardholder to authenticate POS transactions by obtaining and verifying the device's location and user information, such as a passcode or image, through a network of mobile device location and payment authorization servers, to ensure the transaction is authorized by the rightful cardholder.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional payment card authorization systems are used, then transaction processing is simple and fast, but security against fraud is insufficient
Solution Approach 1:
The patent introduces a mobile device as an intermediary between the payment card and the authorization system. The mobile device captures images of the cardholder and transaction environment, then transmits this data to the authorization system for verification against stored biometric templates and contextual information, thereby enhancing security without requiring fundamental changes to the core payment infrastructure
Solution Approach 2:
The system performs preliminary actions by capturing and storing biometric templates (facial recognition, fingerprint, iris scans) and contextual data (location, time, device information) before the actual transaction occurs. During the transaction, this pre-captured data is quickly compared with new inputs to verify authenticity, enabling fast authorization decisions without complex real-time analysis
2Reliability
If additional verification measures are implemented, then fraud detection capability is improved, but transaction processing time increases
Solution Approach 1:
Biometric templates and user preferences are captured and stored in advance during device setup or previous interactions. When a transaction occurs, the system simply compares new biometric inputs against these pre-stored templates rather than performing complex analysis from scratch, dramatically reducing processing time while maintaining high fraud detection accuracy
Solution Approach 2:
The system implements a tiered verification approach where only essential checks are performed for low-risk transactions (e.g., basic biometric match), while more comprehensive verification (including contextual analysis and multiple biometric factors) is activated only when fraud risk indicators are detected, balancing speed and security dynamically
3Reliability
If mobile device location verification is added, then cardholder identity assurance is enhanced, but system complexity increases
Solution Approach 1:
The mobile device serves multiple functions: it acts as a biometric capture device, a location tracker, a communication interface, and a verification terminal. By leveraging the existing multi-functional capabilities of smartphones and tablets, the system avoids adding separate dedicated devices for each verification function, thereby reducing overall system complexity while enhancing identity assurance
Solution Approach 2:
The mobile device automatically performs location tracking, biometric capture, and data transmission without requiring manual intervention from the cardholder or merchant. The device uses its built-in sensors (GPS, camera, biometric scanners) and network connectivity to autonomously verify the cardholder's identity and transmit verification data to the authorization system
Data Source
AI summary
Credit card fraud prevention techniques are disclosed in which the authorization of a payment card may be performed using information obtained from a mobile device (e.g., a smart phone) associated with a user who initiates a point-of-sale payment card transaction. In one implementation, a device may receive a request for authorization of a payment associated with a payment card; and obtain location information relating to a location of a mobile device associated with a user of the payment card. The device may determine, based at least on a location of the point-of-sale terminal and the location of the mobile device, whether to authorize the request for authorization of the payment.