This book presents material that has been prepared by CISSP credential holders and reviewed by (ISC)² authorized instructors who are highly knowledgeable about the latest information security-related developments and are proven experts in the CISSP common body of knowledge (CBK). Endorsed by the (ISC)², the Official (ISC)2® Guide to the CISSP® CBK®, Fourth Edition is the most comprehensive and up-to-date review of information systems security concepts and industry best practices.