Information Assurance (IA) professionals are charged with protecting the confidentiality, integrity, availability, and delivery of an entity's data. This encyclopedia contains searchable collection of articles and references that cover a range of subjects found within the field. It presents new methods, techniques, and strategies. This four-volume set covers almost every conceivable topic in the arena of information security and secure information management. ? Each topic features a brief introduction, similar to an executive summary, followed by associated vocabulary and the history of the topic's development or inception. ? a thorough but concise review expounds relevant material, including key players and the critical information pertaining to the subject. The diagrams are clean and clear and used only when necessary to enhance the presentation of a topic. This is a definitive tome for anyone researching the field of information assurance at an entry level or beyond. ? an easy reference to pick up when looking for comprehensive coverage of any term related to security on the side of defense and on the side of attack. The clearly written entries generally provide most of the background necessary, so readers need not search across terms. Both practitioners and faculty would benefit from keeping a copy of this set of books on their shelves. Summing Up: Highly recommended. Graduate students through professionals/practitioners. -T. D. Richardson, South University, in CHOICE, Oct. 2011, Vol. 49, #2