Steganography is an art of hiding messages covert way so that exclusive the sender and recipient know the original message.This technique permits sender and receiver to communicate secretly and the third party won’t mindful of the correspondence happen. Steganalysis is the process of recovering hidden data, It decides the encoded hidden message, and if conceivable, it recovers that message.The message can be identified by taking a gander at changes between bit designs and unusually large file sizes.This is considered to be an attack on the covered information.

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