1.What is stegenograhy
3.Stegnogarphy in modern days
4.Stegnography carrier files
5.Types of stegnography
What is steganography ?
From the greek word STEGANOS meaning “covered
And greek word GRAPHIE meaning “writing”
is the branch of science
.it is used for writing hidden messages in
such a way that no one can able to read
the message only the sender and receiver
Carrier File – A file which has hidden
information inside of it.
Steganalysis – The process of
detecting hidden information inside
of a file.
Stego-Medium – The medium in
which the information is hidden.
Steganography – Modern Day
Carrier File with
Steganography in the modern day sense of the word usually refers to
information or a file that has
been concealed inside a digital Picture, Video or Audio file
Steganography – Carrier
Steganography Carrier Files
Bmp - bitmap digital images
Jpeg - Joint Photographic Experts Group
Gif - Graphics Interchange Format
Wav- Waveform Audio File Format
Mp3- music file
SECRET MESSAGE IS HIDDEN IN
Steganography In Images
Steganography In Audio
Steganography In Video
Steganography In Documents
A steganograhy System
The U.S. government is concerned about the use of
Common uses in include the disguising of corporate
It’s possible that terrorist cells may use it to secretly
It’s also a very good Anti-forensics mechanism to mitigate
the effectiveness of a forensics investigation
What is stegnograpy tool ?
With the help of stenography tool .we
can see the hidden message inside the
picture ,audio,documents etc.
By identifying the existence of a hidden
message, perhaps we can identify the
tools used to hide it.
If we identify the tool, perhaps we can
use that tool to extract the original