CompTIA Security+ All-in-One Exam Guide, Fourth Edition (Exam SY0-401), 4th Edition

PREFACE

Information and computer security has moved from the confines of academia to mainstream America in the last decade. From the CodeRed, Nimda, and Slammer attacks to data disclosures to today’s Advanced Persistent Threat (APT) that were heavily covered in the media and broadcast into the average American’s home, information security has become a common topic. It has become increasingly obvious to everybody that something needs to be done in order to secure not only our nation’s critical infrastructure, but also the businesses we deal with on a daily basis. The question is, “Where do we begin?” What can the average information technology professional do to secure the systems that he or she is hired to maintain? One immediate answer is ...