A method of protecting data items in an organizational computer network, including, defining multiple information profiles for classifying the data item, defining rules for protecting the data item belonging to a specific information profile, classifying the data item according to the defined information profiles, applying a protection method to the data item responsive to the classification and the defined rules, automatically updating the classification of the data item responsive to a change in the content or location of the data item; and automatically transforming the applied protection method, throughout the lifecycle of the data item, responsive to a change in classification or location of the data item, according to the defined rules.