USER DETERMINATION DEVICE, METHOD, AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To make an avoidance action of spoofing difficult.SOLUTION: A generation unit 11 generates a pseudo abnormality at a terminal 20A. An acquisition unit 12 acquires operation information indicating an avoidance operation of a user against the pseudo abnormality generated by the generation unit 11 at the terminal 20A. A determination unit 13 determines whether the user is a specific user, on the basis of whether the operation information acquired by the acquisition unit 12 belongs to a predetermined similar range of the operation information stored in association with the specific user.SELECTED DRAWING: Figure 1