This chapter provides an introduction to tourism security and how it relates to the general world of tourism. The chapter provides us with a historic overview of how tourism viewed security both before and after September 11, 2001. It also focuses on issues of safety, security, and surety. The chapter begins with an examination of the role of perceptions in tourism security, and then it provides a sociological analysis of how tourism security interacts with travelers. This chapter provides an overview of the types of tourism security and why the field is much more complex than what most laypeople assume.