SNS S506 Securing Linux and Unix (GCUX)
 
Course Description
The SNS S506 Securing Linux and Unix (GCUX) course provides comprehensive, hands-on training for securing Linux and Unix environments through system hardening, automation, and auditing. This course equips security and system professionals with the practical skills needed to reduce attack surfaces, enforce policy, and maintain secure, compliant systems across hybrid and enterprise environments.
 
Participants learn how to harden operating systems, secure services, automate security controls, and validate configurations using industry-proven techniques. The course emphasizes real-world defensive practices aligned with operational security and compliance requirements.
 
What You Will Learn
Hardening Linux and Unix servers using secure configuration baselines
Securing SSH and remote access services
Applying and managing SELinux policies
Kernel hardening and system-level security controls
Configuring PAM for authentication and access control
Auditing systems for compliance and security assurance
Automating security tasks using Bash scripting and Ansible
Building repeatable, scalable system security workflows
 
Who This Course Is For
Linux and Unix system administrators
Security engineers responsible for server hardening
DevOps and infrastructure professionals enforcing secure configurations
Cybersecurity practitioners preparing for advanced Linux security certifications
 
Hands-On Training Experience
Learners complete extensive lab exercises focused on kernel hardening, PAM configuration, auditing, and security automation. These labs reinforce practical skills needed to secure production Linux and Unix systems at scale.
 
Course Outcomes
By the end of this course, you will be able to harden Linux and Unix systems, automate security controls, enforce compliance, and audit environments effectively—fully aligned with the objectives of the SNS S506 Securing Linux and Unix (GCUX) program.