< All Computer Hacking and Forensics Notes

Arunima Saha | Computer and Hacking Forensics | Module 13 – Steganography

By: Arunima Saha | Related Course: Computer Hacking and Forensics | Published: October 18, 2017 | Modified: October 18, 2017
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NotepadSTEGANOGRAPHY (WATER MARKING)

APPLIED TO

  • TEXT
  • AUDIO
  • VIDEO
  • FOLDER
  • EMAIL
  • CODE

Application

  • Medical REcord
  • Digital Music
  • Terrorism
  • Movies

Attacks

  • Stego only
  • Known Cover
  • Known Message
  • Known Message
  • Known Stego
  • Chosen Stego
  • Chosen Message
  • Tempest/ EMSEC

Classification

  • Physical/ Chemical        (Microdot)
  • Linguistic (Open Codes- Null Cipher, Grill Cipher)
  • Semagrams (Visual/ text)
  • Injection (General purpose, programming code)
  • Least Significant Bit
  • Transformation (Discrete Cosine Transform, Discrete Fourier transform, Waulet Transformation)
  • Spread Spectrum (Direct Frequency)
  • Masking
  • Distortion

 

 


< All Computer Hacking and Forensics Notes
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