A method and a device are provided. The device includes a display, a camera module disposed below the display, a memory, and a processor operatively connected to at least one of the display, the camera module, or the memory, wherein the processor is configured to receive a camera security configuration change, identify an application being executed, determine whether the identified application corresponds to a configured condition, and based on a result of the determination, control display of a camera security pattern on a display area of the display corresponding to the camera module.