The book investigates the evolving landscape of information security in the early 21st century. Authored by ISC 2007, this work delves into the critical challenges and emerging threats facing information systems. It examines the foundational principles of security, including confidentiality, integrity, and availability, and explores various defense mechanisms and best practices. The text aims to provide a comprehensive overview for professionals and students navigating the complexities of protecting digital assets.

The book is likely regarded as a foundational text for those entering the field of information security around the time of its publication. Its comprehensive scope suggests it serves as a valuable resource for understanding the essential concepts and technologies prevalent in 2007. The content would have been particularly relevant for professionals seeking to grasp the then-current state of cybersecurity practices and challenges.