In today's interconnected world, extremism and terrorism poses a persistent threat, transcending borders and ideologies. This book, "Handbook of Homeland Security and Extremism Around the Globe," delves into the multifaceted dimensions of this global challenge. It explores how terrorism evolves, adapts, and impacts diverse societies, from ideological motivations to technological advancements. Equally critical is the examination of effective counter-terrorism strategies, emphasizing international cooperation, legal frameworks, and socio-political approaches. Through rigorous analysis and case studies, this book aims to foster deeper understanding and inspire innovative solutions in the relentless pursuit of global security and peace.