CYB 4122 units400 LevelFirst Semester

Steganography: Access Methods and Data Hiding

B.Sc. Cybersecurity, University of Uyo

The art and science of concealing information: history of secret writing, steganography vs encryption, text/image/audio/video steganography techniques, information hiding and steganalysis, and steganography detection.

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  • 2 recommended textbooks
  • an AI tutor that has read this course’s outline and notes
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Course outline

  1. 01History of secret writing; overview of steganography
  2. 02Why steganography is important; steganography vs encryption
  3. 03Steganography types and methods: text, image, video and audio steganography
  4. 04Survey of steganography techniques for encrypting data
  5. 05Information hiding: steganography and steganalysis
  6. 06Data hiding methods, techniques, and access methods
  7. 07Steganographic algorithms and their security
  8. 08Steganography detection: finding images and verifying hidden content

Recommended textbooks

  • Hiding in Plain Sight: Steganography and the Art of Covert Communication — Eric Cole

    Accessible and comprehensive treatment of the field

  • Digital Steganography and Watermarking — Fátima Terroso-Saenz et al.

    Technical and mathematical treatment for advanced study

How to pass CYB 412

  • Implement a simple LSB steganography tool in Python — it takes one hour and permanently fixes the concept
  • Understand why steganography matters for forensics: hidden data in images is a real-world challenge
  • Tools like Steghide, OpenStego, and SilentEye are free — use them to both hide and detect
  • Connect steganography to CYB 423 (Digital Forensics) — detection is a key forensic skill

Other 400 Level courses

Lecture notes, practice questions and the AI tutor for CYB 412 are available once you sign in.

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