An information recording apparatus, comprising: an information input unit configured to acquire audio data and/or image data; a tamper prevention unit that applies tamper prevention processing to the audio data and/or image data; and a controller that records, in a recording unit, both audio data and/or image data to which the tamper prevention processing is applied by the tamper prevention unit and audio data and/or image data to which the tamper prevention processing is not applied, if a predetermined condition is satisfied.