9. The system of claim 8 , wherein the processing center is further configured to: retrieve a second plurality of open-ended questions from the question database based on the authentication scores being less than the threshold value; present the second plurality of questions to the customer; designating a second plurality of correct answers based on the customer profile information which correspond to the second plurality of open-ended questions; receive a second plurality of answers to the second plurality of open-ended questions from the customer; analyze the second plurality of questions by comparing the second plurality of answers with the second plurality of correct answers by parsing each of the second plurality of answers and performing a character-by-character accuracy analysis of the second plurality of answers in comparison to a character-by-character analysis of the second plurality of correct answers; calculate authentication scores for each of the plurality of second answers, wherein each authentication score represents a correctness of each of the plurality of answers relative to the corresponding correct answer; and authenticate the customer based on the authentication scores from the first and second pluralities of answers being cumulatively greater than the threshold value.
9. The system of claim 8 , wherein the processing center is further configured to: retrieve a second plurality of open-ended questions from the question database based on the authentication scores being less than the threshold value; present the second plurality of questions to the customer; designating a second plurality of correct answers based on the customer profile information which correspond to the second plurality of open-ended questions; receive a second plurality of answers to the second plurality of open-ended questions from the customer; analyze the second plurality of questions by comparing the second plurality of answers with the second plurality of correct answers by parsing each of the second plurality of answers and performing a character-by-character accuracy analysis of the second plurality of answers in comparison to a character-by-character analysis of the second plurality of correct answers; calculate authentication scores for each of the plurality of second answers, wherein each authentication score represents a correctness of each of the plurality of answers relative to the corresponding correct answer; and authenticate the customer based on the authentication scores from the first and second pluralities of answers being cumulatively greater than the threshold value. 11. The system of claim 9 , further comprising an interactive voice recognition (IVR) system configured to transmit the first and second pluralities of open-ended questions to the customer; and to receive the first and second pluralities of answers from the customer.