An electronic device according to various embodiments of the present invention comprises: an infrared filter for passing light in an infrared wavelength band; an image sensor for converting the received light into a video signal and outputting the video signal; an infrared light-emitting unit for emitting the light in the infrared wavelength band; and a processor. The processor can execute a first application, confirm a security level of the first application, and authorize the first application with an authority for controlling at least one of the image sensor, the infrared filter and the infrared light-emitting unit according to the confirmed security level of the first application.