The Phone Phreaking – How Telecommunications Security Evolved to Combat Hackers
Phone phreaking, a term originating in the late 1960s, refers to the exploration and manipulation of the telephone system by technically adept individuals known as phreakers. These early hackers discovered that they could exploit the phone network’s signaling system to make free calls, often by mimicking the tones used by the system to route calls. One of the most famous phreakers, John Draper, known as Captain Crunch, found that a toy whistle from a Cap’n Crunch cereal box could emit…