Secured File Management System Using Stegnography

The purpose of stegnography is to hide messages or files inside other harmless file in way that does not allow any enemy to detect that there is a second secret message or file is present. Now Stegnography is gaining new popularity with the current industry demands for digital watermarking and fingerprinting of audio and video. Stegnography in images has truly come of age with the invention of fast, powerful computers. The most popular technique in image Stegnography is Least Significant Bit Insertion. There are a large number of stegnographic methods that most of us are familiar with especially if you watch a lot of spy movies, ranging from invisible ink and microdots to secreting a hidden message in the second letter of each word of a large body of text and spread spectrum radio communication. With computers and networks, there are many other ways of hiding information.