Based on the "Seventh International Conference on Dynamics of Disasters" (Vienna, Austria, July 2024), this book offers a comprehensive exploration of the dynamics of disasters, focusing on the emerging theme of hybrid threats. As the world faces increasingly complex challenges, this volume sheds light on the intersection of natural and man-made hazards, emphasizing the critical need for advanced disaster preparedness and management strategies. Key concepts include the use of security twins to anticipate vulnerabilities, the integration of cyber and physical threat assessments, and innovative methodologies for disaster scenario generation. The chapters delve into topics such as the resilience of railway systems, the impact of volcanic eruptions, and the ethical dimensions of technology in crises. By presenting cutting-edge research from leading experts, this book provides invaluable insights into the multifaceted nature of modern disasters. Ideal for researchers, practitioners, and policymakers, this volume is a vital resource for anyone involved in disaster management and risk assessment.