The art of writing hidden messages in such a way that no one, besides the sender and the person who it is intended for, knows about the message. There are several ways to mask or hide these hidden messages, some being; in the lowest bits of a sound file, putting random data in with encrypted data, concealing them in a video played at a slower rate or a faster rate then normal.
There are several ways to transfer these messages, however, I am going to focus on one called Paranoia. Paranoia allows the sender to place a text message behind a digital image file. To do so, you need a key, to unlock the text message of course but you also need a picture to hide it behind.
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