What does ADT security stand for?

Answer ADT stands for American District Telegraph. ADT is a home security company that began in 1874 as a telegraph business, when telegraphs were the primary form of communication. By the end of the 19th... Read More »

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What does PTZ stand for on security?

Pan, Tilt, Zoom (PTZ) security cameras are ones that can move left to right, up or down, as opposed to a traditional security camera, or fixed dome security camera, the focus of which can only stay... Read More »

What does the ADT in"ADT security systems"stand for?

ADT stands for American District Telegraph. According to the company website, ADT began as a network of 57 telegraph delivery companies, then made the transition into security protection in the 189... Read More »

What does CIA stand for in security management?

What does the middle number stand for in your Social Security number?

The middle two digits of the Social Security number is the group number. These two digits range from 01-99. The numbers are not assigned consecutively; states are issued odd numbers first and when ... Read More »