The paper reviews the ways that human security has been defined, provides a working definition and shows how this can form the basis of operational responses by many different institutions. New threats to human wellbeing, associated with globalisation, climate change and conflict, have drawn attention to the need to protect human security, while it has come to be seen increasingly as a fundamental objective of foreign policy. Hence it is important to identify a working definition. A review of definitions in the literature point to freedom from need and vulnerability as being fundamental characteristics. The working definition suggested in the paper is based on safeguarding, or protecting, human beings against economic, political, health and...