A computer-implemented data processing system includes a data storage device and a processor and program logic stored in memory and executable by the processor. The program logic may include account management logic coupled to the data storage device and configured to manage accounts respectively associated with a plurality of users, the account management logic including account processing logic configured to process transactions for the accounts and store account data related to the accounts in the data storage device. The program logic may further include interface logic coupled to the account management logic and the data storage device, the interface logic configured to connect the data processing system to computing systems associated with the plurality of users by way of the Internet, the interface logic providing the plurality of users with web access to an on-line banking area of a website of a financial institution.