1. A method, comprising: operating a user interface of a device to receive from a user, for individual ones of a plurality of user privacy categories, a user privacy setting; mapping each user privacy setting to one or more device sensors to form a sensor policy for the user privacy category; and monitoring application program accesses to device sensors to detect a violation of a sensor policy, where at least some user privacy categories are comprised of at least one sub-category, and where mapping forms a sensor policy for each of the at least one sub-category.