Secure payment card transactions

Details Secure payment card transactions Secure payment card transactions

2007-05-17

2010-11-30

Kim, Ahshik (Department: 2876)

Registers

Systems controlled by data bearing records

Mechanized store

C235S380000

Reexamination Certificate

active

07841523

ABSTRACT:
Payment card transactions at a point of sale (POS) are secured in certain embodiments by intercepting, with a POS security layer installed on a POS terminal, payment data from the POS terminal, transmitting the payment data from the POS security layer to a server security application installed on a POS server, and providing false payment data from the POS security layer to a POS terminal application installed on the POS terminal. The false payment data in various embodiments is processed as if it were the payment data, such that the POS terminal transmits an authorization request to the POS server using the false payment data. In addition, the authorization request may be transmitted from the POS server to a payment gateway.

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