If you're an IT professional hoping to progress in your career, then you know that the CompTIA Security+ exam is one of the most valuable certifications available. Since its introduction in 2002, over a quarter million professionals have achieved Security+ certification, itself a springboard to prestigious certifications like the CASP, CISSP, and CISA. The CompTIA Security+ Study Guide: SY0-401 covers 100% of the Security+ exam objectives, with clear and concise information on crucial security...