Critical Information Infrastructures Security: 4th International Workshop, CRITIS 2009, Bonn, Germany, September 30 - October 2, 2009, Revised Papers ... Computer Science / Security and Cryptology)

This book constitutes the proceedings of the 4th International Workshop on Critical Information Infrastructures Security, CRITIS 2009, held in Bonn, Germany, during September 30 to October 2, 2009.