When technical protection mechanisms are too inflexible and security decisions, are passed to users, users become part of the attack surface of a socio-technical system. This thesis contributes to the science of security regarding Social Engineering (SE), where users are the cora enabler of succesful attacks. Various sources were consulted to identify, analyse, and understand SE, enabling the developement of a multidisciplinary knowledge base and appropriate safeguards. A suitable definition comprising five SE indicators was developed to examine anecdotes whether they express SE. Court documents (phishing), Lego modelling (cloud), and a novel SE poetry slam concept served as sources for in-depth analyses.weiterlesen