This course is designed to provide the student with a basic knowledge of the issues relating to cyber security, from both a technical and historic perspective. The basic concepts of cyber security that will allow the student to understand the current concerns, vocabulary, and basic principles involved in cyber security will be considered, along with the technologies used to prevent and detect cyber-attacks. The history of cyber-attacks, basic concepts and considerations of cyber warfare, hacking, and basic concepts such as authentication and encryption will be covered along with the major efforts and initiatives that have been developed by the international community to deal with them. A particular focus of the course will be on cyber security as it relates to the field of nuclear security.