A famous hacking journal and the website which sells it
- Founded By: Emmanuel Goldstein
- Blog: Unknown
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2600 (not to be mistaken as the Atari 2600), or 2600: The Hacker Quarterly, is the name of both an American hacking magazine founded in the mid 1980s and the website from which it can be obtained. They also have an IRC network.
The first publication was in 1984. The origins of the name comes from the phreaker discovery in the 1960s that the transmission of a 2600 hertz tone caused a telephone switch to think that a call was over, which could be exploited to provide free long-distance and international calls. A small plastic whistle, given away as a gift in Cap'n Crunch breakfast cereal could be used to generate this signal.
Still in publication
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