An apparatus for segmented processing of order management system data is described herein. The apparatus generally includes: a front end interface that is operative to receive unencrypted payment information and unencrypted personal information relating to at least one customer order and return encrypted payment information and encrypted personal information relating to the at least one customer order; a middle tier interface that is operative to receive encrypted payment information and encrypted personal information relating to at least one customer order and return decrypted personal information only; and/or a back end interface that is operative to receive encrypted payment information and encrypted personal information relating to at least one customer order and return decrypted payment information and decrypted personal information relating to the at least one customer order.