CompTIA Security+ Exam Prep

Answer: D - Emanation capturing allows a criminal to eavesdrop. Every electrical devise emits electrical waves into the surrounding environment. These waves contain information comparable to how wireless technologies work. These waves can be carried over a distance, depending on the strength of the signals and the material and objects in the surrounding area. Attackers have used devices to capture these waves and port them to their own computer systems so they can access information not intended for them.