This CompTIA Authorized Study Guide provides complete coverage of the objectives for CompTIA's Security+ Exam (SY0-201), with clear and concise information on crucial security topics. Learn from practical examples and insights drawn from real-world experience and review your newly acquired knowledge with cutting-edge exam preparation software, including a test engine and electronic flashcards. Find authoritative coverage of key exam topics like general security concepts, communication security, infrastructure security, the basics of cryptography and operational and organizational security.