1. An computing apparatus for managing private information, comprising: a profile memory unit configured to store profile data representing private information of a first user; a first reception unit configured to receive first setting data from a terminal of the first user, the first setting data being based on a predetermined template used to create a privacy rule defining a condition for restricting disclosure of the private information and a restriction method; a creation unit configured to create the privacy rule in accordance with the first setting data received by the first reception unit; a privacy rule memory unit configured to store the privacy rule created by the creation unit; a determination unit configured to, in a case where undisclosed image data requested to be disclosed on a predetermined website contains the private information represented by the profile data, extract metadata contained in the undisclosed image data and determine whether or not the metadata satisfies the condition for restricting disclosure of the private information; and an execution unit configured to, in a case where it is determined by the determination unit that the metadata satisfies the condition, execute the restriction method defined by the privacy rule.