The book "Security in E-Learning" by Edgar R. Weippl offers a comprehensive analysis of the security aspects in the field of e-learning. Given the growing popularity of online courses, it is crucial to understand the associated security issues. This specialized book addresses typical threats to e-learning projects and explains how these challenges can be tackled. It provides the necessary knowledge to conduct an effective security risk analysis by informing participants about common threats, protective measures, as well as effort and cost considerations. Furthermore, suitable preventive measures are discussed in detail to ensure security in e-learning environments. The book is aimed at professionals from the industry, IT experts, and students at the bachelor's and master's level in computer science.