To provide an elevator security support processing device for supporting the suppression of mischief behavior inside an elevator car.SOLUTION: The security support processing device includes an abnormality occurrence determination part, a part for specifying a person related to an abnormal situation, and a monitored person detection part. The abnormality occurrence determination part obtains and compares imaging information inside a car in a stand-by state before the operation and imaging information inside the car in a stand-by state after the operation every time when it is detected that an elevator terminates the operation for responding to a call and becomes a stand-by state so as to determine whether or not an abnormal situation impairing the view inside the car occurs during the operation. The part for specifying a person related to an abnormal situation detects a user existing in the car during the operation based on imaging information in the car when it is determined that an abnormal situation occurs and specifies the user as a person related to the abnormal situation. The monitored person detection part detects a user, who is specified as a person related to abnormal situations at a predetermined times or more, as a monitored person.SELECTED DRAWING: Figure 1
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