Patent ID: 9294440
Filing Date: 2016-03-22
CPC Classification: H04L

Claim Text:
1. A computer-implemented method for enabling data communication between computing systems within a trusted secure zone and computing systems outside the trusted secure zone, the computer-implemented method comprising executing instructions in a computer system to perform the operations of: receiving a first message, the first message directed from a computing system located within the trusted secure zone to a computing system located outside the trusted secure zone; determining that the first message contains first trusted data upon which one or more security decisions may be made; storing the first trusted data in response to determining that the first message includes the first trusted data; transmitting the first message to the computing system located outside the trusted secure zone; receiving a second message, the second message directed from the computing system located outside the trusted secure zone to the computing system located within the trusted secure zone; determining that the second message contains second trusted data; in response to determining that the second trusted data in the second message is the same as the stored first trusted data, transmitting the second message to the computing system located within the trusted secure zone; and in response to determining that the second trusted data in the second message is not the same as the stored first trusted data, modifying the second message by overwriting the second trusted data in the second message with the stored first trusted data, and transmitting the modified second message to the computing system located within the trusted secure zone.