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People listen? Espionage communication strategy


Added: 10-05-2011
Author: Jenny Kettlewell
Category: Telecommunications
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Communication strategy in the operation secret agencies are all around us. Most of the brain's ability level is incorporated into the undergraduate and Cracking the building code and audio monitoring, but they do a lot we already know. Leonardo da Vinci had practiced writing cryptology in preventing dismantling the eyes of his understanding Diaries, and who could forget the famous Enigma machine to victory? More than a former spy and now can be presented in literature, history, cinema and even breaking the rules-word Puzzles. How do you recognize this secret spycraft?

Steganography

Classic clandestine communication strategy is one that many school children would know, if you can not name. Steganography is the practice of hiding a message in a way that only the author and the recipient knew that there was reading. A famous example is invisible ink made from lemon juice, showed that many schools in science classes. While pretending to be blank paper is to (be careful!) Uliofanyika candles or steam iron and warmed, the Browns and the ink will appear, explaining the message.

In history there are some surprising Innovative use of steganography as a strategy of stealth communication. Ancient Ionian, in revenge Histiaeus he uses his favorite slave's head to send the message that started the war. Slaves shaved head and tattooed a secret message is important. When his hair had grown back, he was sent as a messenger, so keep sentences under your hat.

Shortwave Radios

You can imagine the old hat short-wave radio equivalent, but not the communication strategy obsolete pelelezane not think you can, even in the old phone and the internet. Apparently, if you tune in to the right frequency you can still hear the exchange of voice messages, and some websites even publishing frequency (in kHz) hearing in each country. Of course, even if you catch the exchange of messages, and have the ability to translate in English, if you still have to break the code.

Audio Surveillance

If you do not uncover spies decide, you won t have to listen in. There is only one of the major organizations in the government's strategic communications around the world, especially in America, where every communication is monitored to investigate terrorist threats or criminal known songs.

Mass monitoring took place in the normal or the police wire tap phone and computer banks or scanning for certain keywords in a subversive threat intercept email messages and phone calls.

With foreign authorities in mind, the mind seems to largely collected from open sources. According to Deputy Chief of Navy, only 1% of their minds from secret agents, and more than 5% from a mysterious source is defined as a half-open.

Also listen to, that the authority of the government to stop us talking to each other, too. Shade as a strategy to combat the many communication is reserved for specific purposes that the authorities were watching closely and quickly to catch. Cell phone jammer, it is possible to blanket a building or tower roads excessive so that no one can connect to the network.

So that you can not get No phone signal, since the government can prevent your call!




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