Linux Hardening

Are you a Linux systems administrator seeking to learn the best practices for securing your network? In this Linux Hardening course, Corey Holzer walks you through hardening for the system level, services, and user account management and you apply these concepts in a series of secure virtual labs.

Time
11 hours 49 minutes
Difficulty
Intermediate
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Course Content

2.1Why We Harden

FREE
4m

2.2Hardening-in-Depth as a Concept

FREE
5m

2.3The CIS Benchmarks

FREE
2m

2.4Hardening the Foundation

FREE
2m

2.5Hardening Storage Devices

FREE
5m

2.6Firewalls and IPS/IDS as Endpoint Security

FREE
4m

2.7Managing Services

FREE
5m

2.8Lifecycle Management

FREE
4m

2.9Recommendations for Integrating Hardening Measures

FREE
5m

3.1Hardening the Hardware

FREE
2m

3.2Hardening the Bootloader

FREE
4m

3.3Securing the Bootloader (Lab)

45m

3.4Securing the Kernel

9m

3.6Securing the Kernel (Lab)

45m

3.7Securing Storage Devices Part 1

9m

3.8Securing Storage Devices Part 2

7m

3.9Disabling SUID and SGID Permissions (Demo)

1 minute

3.10Making the /boot Volume Read-Only (Lab)

45m

3.11Blocking Unwanted Activities and Traffic

7m

3.12Protecting Storage Devices (Lab)

45m

3.13Minimizing the OS Attack Surface Part 1

5m

3.14Minimizing the OS Attack Surface Part 2

4m

3.15Reducing the Attack Surface on a Server (Lab)

45m

3.16Network Hardening at the Host

4m

3.17Network Hardening at the Host (Lab)

45m

3.18System Administration Hardening

6m

3.19Hardening Administration through sudo (Lab)

45m

3.20Testing, Monitoring, and Reviewing

9m

3.21Log Management (Lab)

45m

4.1General Handling of Services Part 1

4m

4.2General Handling of Services Part 2

5m

4.3Basic Handling of Services (Lab)

45m

4.4Hardening Public-Facing Services

4m

4.5Hardening the Secure Shell (SSH) Service Part 1

6m

4.6Limiting Logins through SSH (Demo)

4m

4.7Hardening the Secure Shell (SSH) Service Part 2

2m

4.8Hardening SSH Services (Lab)

45m

5.1User Password Authentication Requirements

7m

5.2Alternate User Authentication Requirements

3m

5.4Account Management Requirements

3m

5.5Hardening User Accounts (Lab)

45m

5.6Reviewing Accounts

6m

5.7Managing User Accounts (Lab)

45m
Course Description

Who should take this course?

Our Linux Hardening course is designed for an intermediate-level learner with Linux system administration experience who is interested in learning more about how to secure their network.

What are the prerequisites for this course?

You will gain the most benefit from this course if you have familiarity with the Linux command-line and the Linux filesystem structure.

Why should I take this course?

Our Linux Hardening course will equip you with the knowledge and skills you need to secure your network. You’ll be able to articulate the best practices to secure the operating system, services, and user account administration when building a Linux server or workstation.

What makes this course different from other courses on similar topics?

This course was developed by Corey Holzer, who holds a PhD in Information Security as well as an MBA and Master's in Information Security. He has worked in network security and web development for years. He holds the CISSP, CRISC, CEH, CNDA, and Security+. In the course, Corey not only provides the theory on why it is important to harden your system but also provides guided demonstrations and hands-on labs so learners can apply what they’ve learned.

Why should I take this course on Cybrary and not somewhere else?

Our Linux Hardening course enables you to learn from one of the foremost experts in the field and apply what you have learned in hands-on labs. Our on-demand format affords you the flexibility to learn at your own pace and on your own schedule.

Instructed By
Corey Holzer

Corey Holzer

Information Systems Engineer

Senior Instructor
Provider
Cybrary
Course Components
On Demand Videos to learn from industry leaders
Certificate of Completion
Certificate Of Completion

Complete this entire course to earn a Linux Hardening Certificate of Completion