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CompTIA Security+ SY0-401 In Depth by Mark Ciampa

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Introduction

The number one concern of computer professionals today continues to be information security, and with good reason. Consider the evidence: a computer cluster for cracking passwords can generate 350 billion password guesses per second and could break any eight-character password in a maximum of 5.5 hours. Internet web servers must resist thousands of attacks every day, and an unprotected computer connected to the Internet can be infected in fewer than 60 seconds. From 2005 through early 2014, more than 666 million electronic data records in the U.S. had been breached, exposing to attackers a range of personal electronic data, such as address, Social Security numbers, health records, and credit card numbers.i Attackers who penetrated ...

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