August 2004
Beginner
448 pages
7h 56m
English
Content preview from HIGH-TECH CRIMES REVEALED: CYBERWAR STORIES FROM THE DIGITAL FRONT
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Chapter 1. An Attack on the Telephone Network
“This 'telephone' has too many shortcomings to be seriously considered as a means of communication. The device is inherently of no value to us.”
—Western Union internal memo, 1876
We take the telephone system for granted. When we pick up the phone, we expect a dial tone. When we dial a telephone number, we expect a ring or a busy signal, and it always seems to be there. See Figure 1.1, which shows the increase in telephone service in the United States. By 2001 we see that over 100 million households have telephone service, which is an increase of 10 million households since 1990[1].
[1] FCC's Trends in Telephone Service, Authors Unknowns, May 2002
Figure 1.1. As you can see in this chart, there has ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.