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What Is Steganography?

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Abstract:-
Steganography is art of hiding the secret message within an ordinary message and extraction of its destination. Steganography take cryptography a step farther by hiding an encrypted message so that no one finds the existence of the message. If anyone scans your data will fail to know that it contain encrypted data. Steganography maintain the secure communication between the communicating parties. There are different techniques that are used for hiding the secret data as Steganography, Cryptography and Watermarking. There are various drawbacks of the cryptography that are covered by the Steganography. This paper reviews the Steganography techniques and various matrices for performance analysis of Steganography techniques.
Keyword: Steganography, Cryptography, Spatial Domain, Frequency Domain
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The history of Steganography can be traced from 440BC. In the ancients steganography various method are used to send her secret message to
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