AUTOMATED ACCESS DATA CHANGE DETECTION

A user may conduct a plurality of access requests with a plurality of resource provider computers. A processor server computer may determine whether resource provider computers store access data associated with the user in various ways, including detecting patterns in sets of a plurality of access requests conducted between the user and each of the plurality of resource provider computers. Upon detecting that access data has changed, the processor server computer may automatically send the updated access data to each of the identified resource provider computer.