We are glad to present in this volume the proceedings of the ninth edition of Information Hiding (IH 2007). The conference was held in Saint Malo, the C- sairs town, France, during June 11 13, 2007. It was organized by a team of four Frenchpiratessupported by the valuablehelp of the conferenceorganizationcell of INRIA Rennes. Continuing the tradition of the previous editions, we tried to provide a b- anced program covering the di?erent aspects of information hiding. This being said, the selection of the program was a very challenging task. This year, 105 papers from 25 countries were...

This book explains how to measure the security of a watermarking scheme, how to design secure schemes but also how to attack popular watermarking schemes. This book gathers the most recent achievements in the field of watermarking security by considering both parts of this cat and mouse game. This book is useful to industrial practitioners who would like to increase the security of their watermarking applications and for academics to quickly master this fascinating domain.