This volume is a compilation of the proceedings arising from the inaugural International Maritime Security Conference 2009 held on 13-14 May 2009 in Singapore. The conference sought to promote global maritime safety and security and to update maritime practitioners on the latest cooperative efforts and technological developments in the maritime domain. Senior naval officers and officials from Australia, China, France, India, Italy, Japan, Singapore, the United Kingdom, the United States and the International Maritime Organisation presented at the conference, and their papers are included in this volume.