This class provides a comprehensive introduction to the field of threat intelligence. Students will explore the core methods, tools, and sources used to identify and analyze threats across various domains, including physical security, geopolitical risks, and emerging challenges to gain a foundational understanding of how threat intelligence informs decision-making and risk mitigation strategies. The course examines key topics such as open-source intelligence, human intelligence, social media monitoring, and ethical considerations in intelligence work. Additionally, students will explore the wide range of careers available in threat intelligence, spanning government agencies, private organizations, and non-profit sectors.