1. An apparatus for generating an alarm comprising at least one hardware processor configured to execute instructions to: analyze at least one of a current image, which includes an object, and a sound related to the object, the current image and the sound being captured by a camera; determine a type of the object in response to the analysis; and control an alarm generator to generate an alarm according to a result of the determination, the alarm comprising a prevention alarm configured to prevent the object from approaching, wherein the processor is configured to determine, after the prevention alarm is generated, whether the object is included in a next image captured by the camera after the current image, and in response to determining that the object is included in the next image, determine a type of the object included in the next image as being different from the type determined from the current image, wherein the processor is configured to control the alarm generator to generate a tactile alarm, wherein the tactile alarm comprises vibration at different intensities or in different patterns according to the type of the object, and heat of different temperatures depending on the type of the object, and wherein the apparatus further comprises at least one additional camera located to capture the object near a lens of the camera.