Tech Terms: What Every Telecommunications and Digital Media Professional Should Know

H: HAAT (Height Above Average Terrain) Hz(hertz)

HAAT (Height Above Average Terrain) Header

HAAT (Height Above Average Terrain)

Level: 2

Definition: Measure of elevation calculated from the level of nearby surrounding terrain. This is used most often in antenna tower constructions and the formula for measurement is defined by the FCC.

Hacker

Level: 1

Definition: The term was originally used to describe a serious computer user. Now it is commonly used to refer to a person who gains unauthorized access to a computer system (usually from a remote location) and then tries to take control of some aspect of that computer, make changes to it, or access information contained on it. Many hackers try to break into computers purely for the challenge. Others (also known as crackers ) do intentional harm and/or steal information. One of the most famous hackers of all time, Kevin Mitnick (a.k.a. Condor ), was arrested in February of 1995 and after four years, five months and 22 days Kevin Mitnick was finally sentenced on 9 August 1999 in U.S. District court to 46 months in prison. He was also ordered to pay $4,125 in restitution. This was a mere fraction of the $1.5 million the government wanted him to pay. (See also Buffer Overrun and Trojan Horse.)

Hammering

Level: 2

Definition: Originally coined to describe the process of repeatedly recontacting a file transfer server (FTP server) in an attempt to establish a connection, hammering generally refers to the automated process of repeatedly attempting to connect to various types of servers (for...

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