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Information Security and IT Risk Management by Eric Pierce, Alex Campoe, Manish Agrawal

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CHAPTER 9 Hardware and Software Controls

Overview

In this chapter, we will complete our detailed look at the components of our general information security model, which was introduced in Chapter 4. In Chapter 5, we discussed asset identification and characterization. In Chapter 6, we discussed threats and vulnerabilities. The final component of the general model was controls. We look at some of the most essential and best-known controls in this chapter. At the end of this chapter, you should know about

  • Password management
  • Firewalls and their capabilities
  • Access control lists (ACLs)
  • Intrusion detection/prevention systems
  • Patching operating systems and applications
  • End point protection
  • Information security control best practices

The above list is not intended to be comprehensive. This is just a list of the essential controls selected by the authors. A simple example of a control that is not discussed above is antivirus software. Further, once you enter the profession, you will encounter many other information security controls including application-specific controls. The intention of the above list and this chapter is to introduce the best-known controls so that you have an understanding of the basic ideas underlying information security controls. Most of these ideas are generalizable, so they should help you in quickly evaluating the merits of other controls you encounter.

Password management

We have defined passwords as a secret series of characters that only the owner of the ...

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