Amitav Acharya analyses the major implications of terrorism and counter-terrorism post-September 11 for Asian security order, with a particular focus on Southeast Asia, which has been dubbed by the Bush administration as the 'second front' in the war on terror. He focuses on the growing place of terrorism in the national threat perceptions and the security strategies of states; the US's strategic re-engagement in Southeast Asia; the impact of the war on terror on domestic politics and state-society relations; and the state of regional cooperation against terrorism and its impact on regional stability.