In Steven Levy’s classic, sprawling, rapturous ode to the birth of the hacker movement, the book Hackers, Captain Crunch is a bit player–a hacker who took his name from the toy whistle available free in boxes of Captain Crunch. (When blown into a pay phone, this whistle could be used to make free long distance calls.)
In Hackers, Captain Crunch shows up primarily as an adjunct to the nascent Apple computer company, where he was briefly employed to create a circuit board that, when connected to a phone, could enable an Apple II to reproduce his feats of phone hacking. Fearing legal entanglements, the board was never released, and Captain Crunch didn’t last long at the fledgling company, but the “blue box” on which the board was based became the workhorse of the phone hacker “phreaking” community.
In the real world, it’s hard to find a hacker more iconic than Captain Crunch, whose exploits revolved around hacking what was in effect then the world’s largest computer–the many thousands of switches comprising the international telephone system, whose coded language wasn’t the ones and zeroes of binary computer logic but instead the pure tones used internally to connect long distance calls. Phone phreaking was a staple of hacking culture the world over, popularized by magazines like 2600 and, according to a 1995 interview with an embittered Captain Crunch himself, aka John Draper, through a network of criminals whom he trained in the dark arts of free phone calls while doing a four month stint in Federal prison in the 1976.
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