Theoretical Framework for a Practical Evaluation and Comparison of Audio Watermarking Schemes in the Triangle of Robustness, Transparency and Capacity.- Watermarking Security: A Survey.- Efficient Implementation of Zero-Knowledge Proofs for Watermark Detection in Multimedia Data.- Identity-Based DRM: Personal Entertainment Domain.- Improving Steganalysis by Fusion Techniques: A Case Study with Image Steganography.

This inaugural issue of the LNCS Transactions on Data Hiding and Multimedia Security contains five papers dealing with a wide range of topics related to multimedia security, from a survey of problems related to watermark security to an introduction to the concept of Personal Entertainment Domains (PED) in Digital Rights Management (DRM) schemes.