The book "Computational Intelligence in Information Assurance and Security" offers a comprehensive analysis of the challenges and solutions in the field of information security. In an era where the global economy increasingly relies on information technology, the protection of information systems and sensitive data is of utmost importance. This academic text is aimed at both the academic and industrial communities and presents original research papers as well as applications that address information security using computational intelligence techniques. The included chapters cover both theoretical and methodological aspects and provide insights into various applications for solving real-world information security problems. The contributions come from experts in their field and help deepen the understanding of the role of computational intelligence in information security.