ABSTRACT
This chapter gives a broad overview of the current threat landscape in the cyber domain. It discusses the commonly used terms related to cybersecurity, and presents a short description of the latest trends follows within the cyber landscape. The chapter describes the characteristics of advanced persistent threats and the common steps of cyber attacks in the form of the cyber kill chain. The comparison of the attack scenarios is based primarily on three aspects, namely, the threat actors, attack complexity, and aim. The chapter analyzes the five past cyber attacks and illustrates the scenarios in detail in order to give an overview of the relevant attack vectors and common tactics, tools, and procedures. It also discusses the main categories of threat actors. The chapter concludes the attack scenarios and common threat actors and their various characteristics and illustrates the most relevant cyber threats today.
