This course will explore how global actors have weaponized false or misleading information and personas to shape public perceptions, achieve strategic geopolitical goals, make money, and pollute the information environment. Students will study the new tools being used by state and non-state actors and examine the reach/effectiveness of disinformation campaigns in shaping public dialogue. In particular, this course will explore how the practice of influence operations has changed in the information age, how both state and non-state actors weaponize technology, social networks, and other tools for dissemination, and what makes human beings and societies vulnerable to influence operations. In addition to covering state- sponsored influence operations, this course will also dive into financially motivated operations, the role of traditional media and state media, and the inadvertent spread of viral false information, otherwise known as misinformation. Students will study how to detect influence campaigns using open-source investigative techniques and discuss the difficulties of attribution particular to the influence operations space. Finally, this course will explore regulatory, diplomatic, technological, and societal mitigations and interventions aimed at protecting the information environment, assessing their effectiveness.