A method and a system for collecting and maintaining historical party reputation data and for using the historical party reputation data to calculate an access decision rating and recalculating the access decision rating when the historical party reputation data has changed has a reputation updater for updating a reputation when a party's reputation has changed, a reputation storer for storing the party's reputation, an access decision rating maker for making a rating on a party's access abilities based upon the party's reputation and reputation history storage for storing a party's reputation having access decision rating storage for storing previous and present access decision storage ratings.