[DOC] [TLE] Phreaking - Wikipedia [PAR] Phreaking is a slang term coined to describe the activity of a culture of people 
who study, ... By re-creating these tones, phreaks could switch calls from the 
phone ... This is sometimes called the H/P culture (with H standing for hacking 
and P .... given out in Cap'n Crunch cereal boxes also produced a 2600 Hz tone 
when... [DOC] [TLE] The article that inspired Steve Jobs: Secrets of the Little Blue Box [PAR] Oct 7, 2011 ... The 1971 article about phone hacking that inspired Steve Jobs. ..... of Cap'n 
Crunch breakfast cereal offered a toy-whistle prize in every box as a ... "Captain 
Crunch is one of the older phone phreaks," Gilbertson tells me. ... But when these 
blind kids told me I could make calls into a computer, my eyes lit up. [DOC] [TLE] Steal This Computer Book 2: What They Won't Tell ... - Hack Canada [PAR] Phone phreaking is about manipulating the telephone system in ways that the ... 
Perhaps the most famous phone phreak was a man nicknamed Captain Crunch 
because of ... of a unique use for a toy whistle found in a box of Cap'n Crunch 
cereal. .... Normally, one line would be busy, and the other one would get through
. [DOC] [TLE] The Invisible Playground: Phone Phreaking and the Criminalization ... [PAR] Apr 11, 2013 ... If you wanted to have an actual conversation with one of these ... tone (seventh 
octave E, or 2600 hertz) to signal that a phone line was on the ... a handle based 
on that infamous cereal box whistle: Captain Crunch. ... call could cost the 
equivalent of $25, the incentives for hacking the system were clear. [DOC] [TLE] phreaking | communications | Britannica.com [PAR] Phreaking involved reverse engineering the specific tones used by phone ... 
discovered that a whistle distributed as a prize in Captain Crunch cereal emitted 
a ... a blue box, or Mfer, became the most-common way of manipulating the 
phone signal. ... called Party Line, which described ways of subverting telephone 
lines for... [DOC] [TLE] 'Mr. Robot' Rewind: A closer look at tech and security moments in a ... [PAR] Jul 22, 2016 ... The 2600 Hz tone was one of the most useful in a phreaker's arsenal. It 
essentially told the phone switch that a call had ended, leaving an open carrier 
line that could be ... as a prize in a box of popular cereal produced a perfect 2600 
Hz tone. ... These are called hot wallets, since the keys are exposed on... [DOC] [TLE] NOT_AVAILABLE - WorldCat [PAR] By dialing a conference-line number, Susan could connect herself to what 
sounded ... Crunch cereal box matched the phone company's 2600-hertz tone 
perfectly. ... One famous blind phreak named Joe Engressia discovered the 
telephone as a ... original phreaks like Captain Crunch got their kicks making free 
phone calls,... [DOC] [TLE] TIL that the hacker Kevin Mitnick was kept in solitary confinement for ... [PAR] May 23, 2014 ... We had an interconnected closer circuit phone line that connected the 5 ... it just 
took one button that made one tone to call up the other crews. So we found that 
by whistling, we could replicate the effect. .... Run these in your dev console. ..... 
Captain Crunch, because he used a toy whistle from a cereal box... [DOC] [TLE] Phone phreak - Expand Your Mind [PAR] By re-creating these tones, phreaks could switch calls from the phone ... This is 
sometimes called the H/P culture (with H standing for hacking and P ... given out 
in Cap'n Crunch cereal boxes also produced a 2600 Hz tone when .... Once a 
phreaker had access to one of these lines, he could use it for one of many 
purposes. [DOC] [TLE] Phone phreaking - Revolvy [PAR] By re-creating these tones, phreaks could switch calls from the phone handset, ... 
This is sometimes called the H/P culture (with H standing for hacking and P ... 
given out in Cap'n Crunch cereal boxes also produced a 2600 Hz tone when 
blown

Question: A hacker called "Captain Crunch" found one of these, in a cereal box, whose tone could manipulate phone lines
Answer: a whistle