The book "Botnet Detection: Countering the Largest Security Threat" offers a comprehensive analysis of the threats posed by botnets and presents innovative approaches for detecting and combating these security risks. Edited by leading experts in the field, the work is based on the results of a workshop that took place in June 2006. It combines current research findings and techniques for botnet detection, as well as strategies for responding to these threats. The content is relevant for both industry professionals and academic researchers, providing valuable insights into the latest developments and challenges in the field of cybersecurity. The book also serves as supplementary teaching material for advanced computer science students and is an important resource for anyone looking to engage with the topic of botnets.