An information processing device, comprising a reading unit that reads, from a recording medium that records information relevant to authentication, the information relevant to authentication, an acquisition unit that acquires information about a contact destination designated in association with the recording medium, when reading of the information from the recording medium by the reading unit remains continuously possible during a period of time between completion of a process instructed by a user who is authenticated based on the information recorded in the recording medium and elapse of a predetermined period of time after the completion, and a transmission unit that sends predetermined information to the contact destination specified by the acquired information.