Steganography

1
Steganography

• Hiding data in data, in some obscure way
• LSB of pictures
• First letter of each paragraph
• Security via obscurity
• Has some important advantages, specially when
  steganography is combined with cryptography

By removing all but the last 2 bite of each color
component, an almost completely black image
results. Making the resulting image 85 times
brighter results in the second image