Chapter 2 - Science and Cyber Security

Abstract

This chapter aims to introduce and define cyber space and cyber security, describing what constitutes cyber space and what it means to secure that space. It describes the foundational concepts of cyber security and discusses the philosophy of cyber security science. The chapter provides an overview and discussion on the fundamental concepts of cyber security, introducing the concepts of attackers, such as vulnerability, exploit, threat, malware etc., and then exploring security by design and the principles that it is based upon. Host security, network security, and risk are all considered, along with the many challenges involved in achieving security in cyber space. The chapter also provides an introductory overview of the cyber security research field and some of the many subfields.