CompTIA's Security+ certification is a globally-recognized, vendor neutral exam that has helped over 60,000 IT professionals reach further and higher in their careers. The current Security+ exam (SY0-201) focuses more on being able to deal with security issues rather than just identifying them. The new exam covers six major topics: Systems Security, Network Infrastructure, Access Control, Assessments and Audits, Cryptography, and Organizational Security. This third edition has been updated to follow and cover the new exam objectives. After reading this book not only will you be able to pass the exam but you will have a working knowledge of cryptography, security legislation, vulnerability assessments, logical access control methods, and much more. *Complete exam-prep package includes full coverage of new Security+ objectives, flash cards, cram sheets, MP3s for exam-day study, PPT presentations, two complete practice exams, and certification e-book library*Authored by a leading Microsoft security expert*A good reference for both beginning security professionals and seasoned IT professionals