An information processing device capable of sharing photographed images while protecting the subject's privacy is provided. The information processing device includes: a photographing-related information acquisition unit configured to acquire image data obtained by photographing a subject or photographing information associated with the image data; a log data acquisition unit configured to acquire log data serving as information related to an operation of a predetermined moving object; and a processing unit configured to evaluate a relevance between the subject and the moving object based on the image data or the photographing information and based on the log data.