Denny Teresi
Encyclopedia
Denny Teresi is a blind former phone phreak
Phreaking
Phreaking is a slang term coined to describe the activity of a culture of people who study, experiment with, or explore telecommunication systems, such as equipment and systems connected to public telephone networks. As telephone networks have become computerized, phreaking has become closely...

 and radio disk jockey, most famous for being the person who introduced John Draper
John Draper
John Thomas Draper , also known as Captain Crunch, Crunch or Crunchman , is an American computer programmer and former phone phreak. He is a legendary figure within the computer programming world.- Background :Draper is the son of a U.S...

 to the field. Both Draper and Teresi were doing Pirate radio
Pirate radio
Pirate radio is illegal or unregulated radio transmission. The term is most commonly used to describe illegal broadcasting for entertainment or political purposes, but is also sometimes used for illegal two-way radio operation...

 broadcasts in the San Jose, California
San Jose, California
San Jose is the third-largest city in California, the tenth-largest in the U.S., and the county seat of Santa Clara County which is located at the southern end of San Francisco Bay...

 area. Their initial contact came when Teresi responded by telephone to one of Draper's pirate broadcasts.

In the Discovery Channel
Discovery Channel
Discovery Channel is an American satellite and cable specialty channel , founded by John Hendricks and distributed by Discovery Communications. It is a publicly traded company run by CEO David Zaslav...

 documentary about Hacking, Teresi is identified as the expert in "social engineering." Obtaining information about how different aspects of how the system operated was the key. Terisi's mastery of the phone company's jargon
Jargon
Jargon is terminology which is especially defined in relationship to a specific activity, profession, group, or event. The philosophe Condillac observed in 1782 that "Every science requires a special language because every science has its own ideas." As a rationalist member of the Enlightenment he...

allowed him to speak with phone company employees to trick them into revealing more information.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK