Computer Crime In The 1990's

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automated branch exchange known as a "PABX" or "PBX". One of these can
be found in any company with twenty or more employees. A "PABX" is a computer
that manages the phone system including it's voice mail. Once inside a "PABX" a
hacker looks for a phone whose voice mail has not yet been programmed, then the
hacker cracks it's access code and programs it's voice mail account to accept
charges for long distance calls, until the authorities catch on, not for a few
days, hackers can use voice mail accounts to make free and untraceablecalls to
all over the world. The hackers that commit this type of crime are becoming
increasingly organized. Known as "call cell operators" they setup flyby night
storefronts were people off the street can come in and make long distance calls
at a large discount, for the call cell operators of course the calls cost
nothing, by hacking into a PABX system they can put all the charges on the
victimized companies tab. With a set of stolen voice mail access ...

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patterns so they'll hire these people to
get codes for them so they can dial from several different calling locations so
they cannot be detected.
The worlds telephone network is a vast maze, there are many places to hide
but once a hacker is located the phone company and police can track their every
move. The way they keep track is by means of a device called a "DNR" or a dial
number recorder. This device monitors the dialing patterns of any suspected
hacker. It lists all the numbers that have been dialed from their location, the
duration of the telephone call and the time of disconnection. The process of
catching a hacker begins at the phone company's central office were thousands ...

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