US Patent 11977648 Information protection apparatus, information protection method and program

An information protection device includes a reception unit that receives an image of a screen displayed on a terminal connected to a certain network; an extraction unit that extracts input information for the screen from the image; a determination unit that determines whether or not the input information matches predetermined information; and a control unit that performs, when the input information is determined to be matched with the predetermined information, a control for preventing the input information from being transmitted from the network.