CHAPTER 1
Security Principles
This chapter discusses the following topics:
Cybersecurity is the practice of protecting information resources (computers, networks, and data) from unauthorized use. Security used to be as simple as locking the doors to your home and putting your money in the local bank. But today in the information age everything relies on computers and networks to perform the essential functions of almost every business and organization. From e-mail to online shopping, smartphones, social media, electronic banking, supply chain management, and critical infrastructure—you name it—everything depends on information resources ...
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