Political violence and terrorism have increased their negative effects on public order in recent years. This book draws attention to this issue, presenting in-depth analysis of recent events in many parts of the world in the context of international security, terrorism and radicalism. In addition, it will serve as a new and up-to-date resource for researchers who working on international security and terrorism around the world. It establishes links between the assessment of political violence and terrorism and the concept of security. As a result, it highlights the increasing importance of security, which is one of the biggest problem areas of our age.