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Linux Security & Hardening: Cybersecurity, DevSecOps
Rating: 4.3 out of 5(7 ratings)
194 students

Linux Security & Hardening: Cybersecurity, DevSecOps

Master Linux Security, Hardening, Cybersecurity, Compliance, SSH, Firewalls, DevSecOps and Real-World Labs
Last updated 3/2026
English

What you'll learn

  • How To Lock and Unlock Users Account in Linux Easily
  • Locking Down Linux Servers with “sudo” Command | The Principle of Least Privilege
  • Exploiting - SSH PuTTY login Brute-Force
  • 19 Tips - Securing SSH, Installing, Enabling, & Heavy-Handed
  • Secure your Linux Boxes with 3 Steps to Implement SSH Key-Based Authentication - 100% Secure
  • Configure Fail2Ban - Setup an IPS To Protect and Blocking "LINUX/ UNIX" from Network Attacks

Course content

9 sections9 lectures1h 33m total length
  • Introduction3:52

Requirements

  • Anyone would like to secure their Linux boxes.
  • Should have a solid understanding of networking concepts
  • Anyone already experienced in Linux system administration
  • Experienced with Linux (or more generally UNIX)
  • Familiar with Linux command line level
  • Security researchers, Analyst, & Auditors

Description

Linux Security Mastery: Zero to Hero with Hands-On Labs

Master Linux Security, Hardening, and Cybersecurity using real-world techniques and practical labs.

Linux powers modern infrastructure—from cloud platforms to enterprise servers—making Linux security one of the most in-demand skills in IT and cybersecurity.

In this course, you will learn how to secure, harden, and defend Linux systems against real cyber threats.


Why This Course Matters

Most Linux systems are vulnerable due to:

  • Weak configurations

  • Poor access control

  • Lack of monitoring

  • Misconfigured services

Attackers exploit these weaknesses to

  • Gain unauthorized access

  • Escalate privileges

  • Launch brute-force and DoS attacks

This course teaches you how to eliminate these risks and secure Linux environments like a professional


What Makes This Course Unique

  • Focus on Linux Security + Cyber Defense

  • Hands-on labs with real attack simulations

  • Covers Ubuntu, RHEL, and CentOS

  • Includes compliance frameworks (GDPR, HIPAA)

  • Beginner to advanced level

  • Designed for real-world IT environments

What You’ll Learn

Linux Security & Hardening

  • Harden Linux systems using best practices

  • Implement least privilege (sudo)

  • Secure file systems and permissions

  • Configure system-level protections

SSH Security & Access Control

  • Secure SSH using key-based authentication

  • Prevent brute-force attacks

  • Disable insecure login methods

  • Harden remote access

Threat Prevention & Defense

  • Stop brute-force attacks using Fail2Ban

  • Configure firewall rules (iptables / firewalld)

  • Protect against unauthorized access

  • Monitor suspicious activity

Advanced Linux Security Tools

  • Fail2Ban intrusion prevention system

  • SELinux configuration and enforcement

  • System auditing and logging

  • Security monitoring techniques

Hands-On Labs (Real-World Attacks)

  • Simulate brute-force attacks

  • Secure SSH against attackers

  • Configure Fail2Ban to block malicious IPs

  • Apply real-world hardening techniques

Compliance & Enterprise Security

  • Implement GDPR & HIPAA compliance basics

  • Prepare systems for security audits

  • Apply enterprise-level security controls

Who This Course Is For

  • System Administrators (Linux / IT)

  • DevOps & Cloud Engineers

  • Cybersecurity professionals

  • IT Auditors & compliance professionals

  • Beginners starting Linux security careers

Why You Should Enroll

  • Learn practical Linux security skills

  • Perform real-world hardening and defense

  • Build job-ready cybersecurity expertise

  • Stay updated with modern threats (2026)

  • Lifetime updates with new techniques

Real-World Insight

Linux powers over 90% of cloud infrastructure, but misconfigurations remain the #1 cause of breaches.

This course ensures you don’t become that weak link.

Who this course is for:

  • Anyone Managing Linux Boxes Remotely (SSH)
  • Cybersecurity Professionals
  • Software Developers or Engineers
  • System Administrators and Network Engineers
  • Anyone in Information Technology Systems
  • Anyone who want to improve their security posture