Essential Skills for a Successful IT Security Career Learn the fundamentals of computer and information security while getting complete coverage of all the objectives for the latest release of the CompTIA Security+ certification exam. This up-to-date, full-color guide discusses communication, infrastructure, operational security, attack prevention, disaster recovery, computer forensics, and much more. Written and edited by leaders in the field, Principles of Computer Security: CompTIA Security+ and Beyond, Third Edition will help you pass CompTIA Security+ exam SY0-301 and become an IT security expert. From McGraw-Hill-a Gold-Level CompTIA Authorized Partner, this book offers Official CompTIA Approved Quality Content.