CONTROL APPARATUS, SYSTEM, AND CONTROL METHOD

A control apparatus includes a controller configured to, when it is detected that first vehicle data obtained by monitoring a state of a vehicle and disclosed with consent of an owner of the vehicle has been viewed by a user, notify the user of first information prompting for consent to disclose second vehicle data obtained by monitoring a state of the vehicle after a point in time at which the first vehicle data was viewed, or second information inquiring whether the owner of the vehicle is to change.