This eBook gives a general overview of social engineering and shows its main elements. It starts with the terminology and goes on with the history of social engineering. Furthermore, basic attacking strategies (information gathering, phishing, vishing and baiting) and their composing will be explained to increase the reader’s comprehension. This declaration does not only rely on theoretical methods, but also on practical implementations and tools which can be used for an attack. In addition to that, the author presents different influencing techniques and gives an insight into the world of body language, with the main focus on torso, feet, hands and facial expressions. The very last chapter will contemplate the work by clarifying security arrangements. Therefore, the reader will get advices on how to prevent an assault. In conclusion it can be said that social engineering has an impact on the life of nearly everyone and every person can decide whether they become a victim or to assert oneself.