1. A method for providing operational business service verification in a telecommunication network, said method comprises the steps of: receiving information which relates to transactions from a plurality of information sources, wherein the transactions are associated with one or more pre-defined applications; based upon the information received, determining whether that at least one pre-defined transaction criterion has been met; and if the at least one pre-defined transaction criterion has been met, providing verification of the legitimacy of the respective transaction that relates to that pre-defined application.