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CISSP All-in-One Exam Guide, Fifth Edition, 5th Edition by Shon Harris

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INTRODUCTION

Computer, information, and physical security are becoming more important at an exponential rate since the continual increase in computer crimes. Over the last few years, the necessity for computer and information security has grown rapidly as web sites have been defaced, Denial-of-Service attacks have increased, credit card information has been stolen, publicly available hacking tools have become more sophisticated, and today’s viruses and worms cause more damage than ever before.

Companies have had to spend millions of dollars to clean up the effects of these issues and millions of dollars more to secure their perimeter and internal networks with equipment, software, consultants, and education. But after September 11, 2001, the ...

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