Here‎'‎s the book you need to prepare for CompTIA‎'‎s Security+ exam‎.‎ This updated edition of the best‎-selling "Security+ Study Guide" was developed to meet the exacting requirements of today‎'‎s certification candidates and aspiring IT security professionals‎.‎ In addition to the consistent and accessible instructional approach that has earned Sybex the "Best Study Guide" selection in the 2003 CertCities Readers Choice Awards‎,‎ this book provides‎:‎ clear and concise information on crucial security topics‎;‎ practical examples and insights drawn from real‎-world experience‎;‎ and leading‎-edge exam preparation software‎,‎ including a test engine and electronic flashcards‎.‎ You‎'‎ll also find authoritative coverage of key exam topics‎,‎ including‎:‎ General Security Concepts‎,‎ Communication Security Infrastructure‎,‎ Security Basics of Cryptography‎,‎ Operational and Organizational Security‎,‎ and Look to Sybex ‎- for the knowledge and skills needed to succeed in today‎'‎s competitive IT marketplace‎.‎ This book has been reviewed and approved as CompTIA Authorized Quality Curriculum ‎(‎CAQC‎)‎‎.‎ Students derive a number of important study advantages with CAQC materials‎,‎ including coverage of all exam objectives‎,‎ implementation of important instructional design principles‎,‎ and instructional reviews that help students assess their learning comprehension and readiness for the exam‎.‎