To Our Valued Readers:

Thank you for looking to Sybex for your Security+ exam prep needs. We at Sybex are proud of our reputation for providing certification candidates with the practical knowledge and skills needed to succeed in the highly competitive IT marketplace. Certification candidates have come to rely on Sybex for accurate and accessible instruction on today's crucial technologies and business skills.

Just as CompTIA is committed to establishing measurable standards for certifying IT security professionals by means of the Security+ certification, Sybex is committed to providing those individuals with the knowledge needed to meet those standards.

The authors and editors have worked hard to ensure that the new edition of the CompTIA Security+ Study Guide you hold in your hands is comprehensive, in-depth, and pedagogically sound. We're confident that this book will exceed the demanding standards of the certification marketplace and help you, the Security+ certification candidate, succeed in your endeavors.

As always, your feedback is important to us. If you believe you've identified an error in the book, please send a detailed e-mail to [email protected]. And if you have general comments or suggestions, feel free to drop me a line directly at [email protected]. At Sybex we're continually striving to meet the needs of individuals preparing for certification exams.

Good luck in pursuit of your Security+ certification!

Neil Edde

Vice President & Publisher

Wiley Publishing, Inc.