The textbook "Communication Security in the Age of the Internet" offers a comprehensive analysis of the challenges and solutions in the field of IT security. Written by experts such as Karl Rihaczek, Andreas Pfitzmann, Alexander Rossnagel, Patrick Horster, and Helmut Reimer, the work addresses key topics in communication technology and its security aspects. With a paperback cover and a total of 412 pages, it is suitable for both students and professionals in the fields of technology and IT. The edition published in 2001 provides well-founded insights into the developments of communication security and its relevance in the digital age. The book was produced in the Netherlands and serves as a valuable resource for anyone looking to engage with the complex issues of digital communication and its protection mechanisms. It not only imparts theoretical knowledge but also practical approaches to enhancing communication security.