Information Hiding with Steganography – SPECTRO

• May 12, 2025
• admin

The ‘Information Hiding with Steganography’ is a course taught by Florian Hahn (University of Twente). In this course, you will explore techniques how data is hidden within digital media to prevent detection from two angels: first, we will explore approaches to conceal information and the methods used to detect it.

Within this course, you get an introduction to different image types and colour models together with lossless and lossy compression techniques. This is fundamental to understand the different possibilities to hide information in digital images. Then different approaches such as spatial and transform domain steganography as well as JPEG steganography give examples of how information is concealed in digital images. The course also covers assessment criteria for steganography and steganalysis – the process of detecting hidden data.

Course content

The course is split into 29 lessons, with 8 quizzes. The lessons are structured under the following sections:

• Welcome and content
• Introduction to Steganography
• Understanding image files
• Lossy Compression
• Digital Image Steganography

About SPECTRO

This course is delivered by SPECTRO. SPECTRO is a consortium consisting of 12 higher education institutions from 7 different countries, 2 innovative SMEs, and one leading research center in Information Systems and EIT Digital. SPECTRO is co-funded by the European Union’s Digital Europe Programme.