This book contains the proceedings of an interdisciplinary conference on safety and security engineering. Research and applications on the topic by necessity bring together many engineering disciplines, ranging from traditional to technologically advanced. The biennial conference, first held in 2005, brings together experts from various disciplines from around the world. The papers presented covers areas such as Risk analysis, assessment and management; Infrastructure protection; Natural disaster management; Public safety and security; Emergency and disaster management; Modelling and theoretical studies; Human factors; System safety engineering; Business surveillance systems; Security surveillance systems; Critical infrastructure protection against natural hazards; Aviation safety and security; Modelling and experiments; Emerging issues in safety; Construction safety and security.