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CompTIA Security+ All-in-One Exam Guide, Third Edition by Chuck Cothren, Roger Davis, Dwayne Williams, Gregory White, Wm. Arthur Conklin

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Chapter Review

Security baselines are critical to protecting information systems, particularly those allowing connections from external users. Hardening is the process by which operating systems, network resources, and applications are secured against possible attacks. Securing operating systems consists of removing or disabling unnecessary services, restricting permissions on files and directories, removing unnecessary software (or not installing it in the first place), applying the latest patches, removing unnecessary user accounts, and ensuring strong password guidelines are in place. Securing network resources consists of disabling unnecessary functions, restricting access to ports and services, ensuring strong passwords are used, and ensuring ...

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