Introduction Introduction by Paul Wilkinson Threat assessment The threat from the Al Qaeda network Paul Wilkinson Chapter 3: Other international groups with a presence in the UK Tamara Makarenko Chapter 4: CBRN threats Jez Littlewood & John Simpson Chapter 5: Other indigenous UK terrorist threats Anthony Richards UK efforts to enhance preparedness since 9/11 Chapter 6: National governance structures to manage the response to terrorist threats and attacks: a cross-national comparative analysis with special reference to the UK lead department response structure and UK CT strategy Frank Gregory. Chapter 7: Reducing the CBRN threat: the role of counter-Profiliferation, arms control and disarmament. John Simpson & Jez Littlewood Chapter 8: the UK and the threat of nuclear terrorism: a case study of organisational responses. John Simpson chapter 9: Pre-emption and protection: an assessment of the contribution of intelligence led counter-terrorism to UK Homeland Security post 9/11 Frank Gregory. Chapter 10: Police and counter-terrorism in the UK: a study of one of the highest and most challenging priorities for police forces nationally. Home Office, NPP 2003-2004 Frank Gregory Chapter 11: Role of other agencies in counter-terrorism and security issues surrounding immigration and asylum. Tamara Makarenko Chapter 12: enhancing UK aviation security post 9/11 Paul Wilkinson. Chapter 13: enhancing UK maritime security post 9/11 Peter Lehr Chapter 14: Terrorism and public information Anthony Richards. Chapter 15: Cyber-security and the critical National infrastructure Darryl Howlett. Chapter 16: Private sector roles in counter-terrorism Frank Gregory. Civil contingencies and emergency response Chapter 17: The Civil Contingencies Act 2004 and its place in the domestic management of terrorism in the UK Frank Gregory. Chapter 18: Emergency response: progress and problems Anthony Richards. International dimensions and main conclusions of authors: Chapter 19: The wider international and defence dimensions of homeland security Paul Wilkinson Chapter 20: Main conclusions of the authors.