From the course: Linux Hardening

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Hardening the foundation

Hardening the foundation - Linux Tutorial

From the course: Linux Hardening

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Hardening the foundation

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Hello, and welcome to Cybrary's Linux Hardening course. This lesson is Hardening the Foundation. I am your instructor, Corey Holzer. At the end of this lesson, you will be able to articulate the advantages of hardening at the hardware level. You will also be able to describe the security advantages of the bootloader and kernel hardening. Taking steps to secure a server at the hardware level means you are taking the operating system out of the equation. Changes in the operating system cannot supersede those made in the BIOS. These security measures cannot be modified by a person attacking the server from another physical location. The only way to alter BIOS-level changes is by somebody physically standing or sitting at that machine. A bootloader manages the loading of the operating system. Changes to secure the bootloader, ensure that a malicious individual cannot change boot parameters or employ a compromised kernel. Keep in mind, the bootloader configuration can be modified from…

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