A method of operating an automated banking machine in response to data included on a user card includes operating a cash dispensing automated banking machine that includes a card reader, a keypad, a cash outlet, a deposit accepting opening and other transaction locations that may be susceptible to the installation of fraud devices. The machine operates to sense the probable installation of unauthorized devices. Such unauthorized devices may include fraudulent card reading devices, fraudulent keypad input intercepting devices, cash outlet trap devices, deposit input diversion devices or other fraud devices. Control circuitry in operative connection with radiation output and radiation sensing devices, operates to identify conditions corresponding to the probable installation of a fraud device on the machine and to take actions in response thereto.