07-02-2013, 04:20 PM
INFORMATION SECURITY USING STEGANOGRAPHY
INFORMATION SECURITY.pptx (Size: 1.47 MB / Downloads: 53)
Information security
Safe-guarding an organization's data from unauthorized access or modification to ensure its availability, confidentiality, and integrity.
STEGANOGRAPHY
• Steganography is the art and science of writing hidden messages so that none but sender and recipient realize there is a hidden message
STEGANOGRAPHY TECHNIQUE:
Secret message communication.
Hide information /covered writing.
Data containing hidden message are called as Steganos or Stego.
Steganos look like cover data
Platforms to prevent leakage of information
APPLICATIONS:
BPCS digital watermarking
very large embedding capacity
Steganography is not robust to even small
changes in the image.
relate to secret communications.
A trademark or other identifying symbol hidden
Media Database systems:
area of steganography secrecy is not important, but unifying two types of data into one
Media data (photo picture, movie, music, etc.) have some association with other information.
Metadata can easily be transferred from one system to another without hitch.