1. A computing device configured to execute a software application on a processor of the computing device to provide operations comprising: receiving a first dataset indicating a quantity of fraud-transactions, the first set of data generated at least in part by a fraud-score model; receiving a second dataset indicating a quantity of false positive fraud-transactions from the fraud-transactions; determining a fraud error rate using the quantity of fraud-transactions and the quantity of false positive fraud-transactions; comparing the fraud error rate with a predefined error rate; and generating, in response to the error rate exceeding the predefined error rate, a new fraud-score model.