Steganography Advantages And Disadvantages

Knowledge is one of the most important things for mankind throughout the ages. The

knowledge is power(Francis Bacon, 1597). Humanity has used information for good or bad

purposes. Knowledge leads beautiful things in right hands but it can also turn into a weapon in

bad hands. Because of this steganography has invented. Steganography is the practice of

hiding private or sensitive information within something that appears to be nothing out of the

usual(Aelphaeis Mangarae , 2006). History of steganography based on ancient antiquity.

Steganography, coming from the Greek words (stegos) meaning roof or covered and (graphia)

which means writing(Krenn, 2000). However, with the evolution of technology

steganography has progressed too. For instance,

Firstly history of

steganography will be mentioned. Secondly, usage areas and technics of steganography will

be clarified. Finally, advantages and disadvantages of steganography will be explained.

In this chapter history of steganography will be mentioned. In history people needed to

hide something from another person so it causes invention of steganography. In belief

steganography technics used in a lot of areas in history. Pre-war preparations, wars,

political and diplomatic conversations, intelligence activities, these may be usage areas of

steganography. According to belief steganography first practiced during the Golden Age in

Greece. An ancient Greek record describes the practice of melting wax off wax tablets used

for writing messages and then inscribing a message in the underlying wood(Arvind Kumar &

Pojaa , 2010). A different method in the past, messengers tattooed messages their shaved

heads and let their hair grow in this way message become invisible after that someone can

shave their heads and can see the message(Krenn, 2004). Steganography has developed

according to requirements of ages. In the past, it applied with primitive methods on the