CHAPTER 4

Tools of the Trade

IT security professionals use a lot of tools to keep networks secure. These tools range from go-to utilities that run from the command-line interface of just about every operating system to more complex tools for scanning network activity. A phenomenal amount of a security professional’s time is spent setting up and monitoring logs of system activities so that when that bad actor steps in or some odd action occurs, they’re ready to save the day.

This chapter explores essential IT security tools in four modules:

•   Operating System Utilities

•   Network Scanners

•   Protocol Analyzers

•   Monitoring Networks

Module 4-1: Operating System Utilities

This module covers the following CompTIA Security+ objective:

•    ...

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