Types of steganography
There are many types of ste gan ography , but the most common in the cyber security world are digital ste gan ography and physical ste gan ography . Digital steganography is the hiding of data within digital media , such as images , videos , and audio files . The data can be hidden in the file itself or in the metadata associated with the file . For example , an image file might have its hidden data encoded in the least significant bit of each pixel . Audio files might have their hidden data encoded in the silent portions of the sound wave . Physical ste gan ography is the hiding of data within physical objects , such as books , envelop es , and even people . For example , a book might have its hidden data encoded in the pattern of the paper fibers . An envelope might have its hidden data encoded in the water mark . And a person might have a...