STEGANOGRAPHY - Nandhini148/Cyber-security-placement-training- GitHub Wiki

DAY 04

STEGANOGRAPHY (USING IMAGE)

What is steganography and how does it work? Steganography is the technique of hiding data within an ordinary, nonsecret file or message to avoid detection; the hidden data is then extracted at its destination. Steganography use can be combined with encryption as an extra step for hiding or protecting data.

STEPS

  1. Download any image and save it in any folder.
  2. Create any text file
  3. Open CMD and move to Desktop
  4. Enter the command : copy /b image.jpg+stegno.txt output.jpg
  5. Finally you can see the text file is copied to the image.

Untitled

open the output image with notepad as shown below

image

This same process is applied for zip file. use command : copy /b image.zip+stegno.txt output.jpg

Screenshot 2024-07-18 114442

image