Linux Security and Hardening Essential Training [Released: 11/4/2024]

Linux is a cornerstone OS, particularly for servers and network management. In this course, instructor Scott Simpson outlines the essentials of successfully securing and hardening a Linux server. Explore practical ways to mitigate some of Linux's most common security weaknesses, as Scott shares step-by-step instructions for protecting your systems against an attack. Applicable for anyone looking to learn more about how to secure a Linux server, this course is ideal for aspiring and early-career Linux system administrators and engineers.

Learning objectives

• Protect your Linux systems against hackers.
  
• Prevent attackers from breaking into your systems, even when they have physical access to your machine.
  
• Enforce and maintain strong and up-to-date password policies on your Linux servers.
  
• Leverage key security tasks such as SSH hardening practices, network security tactics, port scanning, and network service detection.
  
• Set up and configure the Linux firewall.
  
• Protect the superuser (root) account.
  
• Share accounts securely with an audit trail.
  
• Configure and manage file system security and encryption.
  
• Configure pluggable authentication modules (PAMs) and the sudo utility.
  
• Manage advanced Linux permissions, including special modes, file attributes, and access control lists (ACLs).
  

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