An information processing device (1) includes: a transmission unit (32) that transmits, on the basis of rule information set in advance and a sensing result by a sensor (2) that senses environment information on a predetermined area, notification information based on the sensing result to a terminal device (10); a reception unit (31) that receives, from the terminal device (10), feedback information for the notification information transmitted by the transmission unit (32); and an update unit (57) that updates the rule information on the basis of the feedback information received by the reception unit (31).