Linux Security and Hardening

Linux Security and Hardening

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Explore the process of beefing up security in all the Linux systems, with this exclusive Linux Security and Hardening course. This course will equip you with a combination of technical skills required to secure your Linux system from hackers and attackers.

By training yourself on how to harden your Linux system, you will have better protection against outside threats. Our comprehensive Linux Security and Hardening training will help you gain a firm grasp of the security guidelines and principles to keep your Linux system secure. It will expose you to the fundamental tools, taking you through physical security concepts, password security, file system security, and Linux firewall fundamentals that you need to ensure the long-term safety of your Linux server.

Enrol now and reach the level of skills required to keep hackers out of your way!

Course Design

The course is delivered through our online learning platform, accessible through any internet-connected device. There are no formal deadlines or teaching schedules, meaning you are free to study the course at your own pace.

You are taught through a combination of

Certificate of Achievement

Endorsed Certificate of Achievement from the Quality Licence Scheme

After successfully completing the course, learners will be able to order an endorsed certificate as proof of their new achievement. Endorsed certificates can be ordered and get delivered to your home by post for only £89. There is an additional £10 postage charge for international students.

CPD Certification from One Education

After successfully completing the assessment of this course, you will qualify for the CPD Certificate from One Education as proof of your continued expert development. Certification is available in PDF format, at the cost of £9, or a hard copy can be sent to you via post, at the cost of £15.


This course has been endorsed by the Quality Licence Scheme for its high-quality, non-regulated provision and training programmes. This course is not regulated by Ofqual and is not an endorsed lesson. One Education will be able to advise you on any further recognition, for example, progression routes into further and/or higher education. For further information, please visit the Learner FAQs on the Quality Licence Scheme website.

Method of Assessment

To assess your learning, you have to complete the assignment questions provided at the end of the course. You have to score at least 60% to pass the exam and to qualify for Quality Licence Scheme endorsed, and CPD endorsed certificates. 

After submitting the assignment, our expert tutor will assess your assignment and will give you feedback on your performance.

After passing the assignment exam, you will be able to apply for a certificate.

Why Study This Course

It doesn’t matter if you are an aspiring expert or absolute beginner; this course will enhance your expertise and boost your CV with critical skills and an endorsed certificate attesting to your knowledge.

The Linux Security and Hardening is fully available to anyone, and no previous lessons are needed to enrol. All One Education needs to know is that you are eager to learn and are over 16.

Course Curriculum

Unit 01: Course Overview and Downloads
Course Overview 00:01:00
Unit 02: General Security
Section Overview – General Security 00:01:00
Is Linux Secure? 00:02:00
What Makes Linux Secure? 00:08:00
Security Guidelines and Principles 00:08:00
Section Summary – General Security 00:02:00
Unit 03: Physical Security
Section Overview – Physical Security 00:01:00
Physical Security Concepts 00:08:00
Single User Mode Security 00:07:00
Single User Mode and Blank Passwords 00:03:00
Securing the Boot Loader 00:07:00
Disk Encryption 00:06:00
Encrypting a New Device, Part I 00:09:00
Encrypting a New Device, Part II 00:04:00
Encrypting an Existing Device 00:01:00
Disabling Control Alt Delete 00:02:00
Section Summary – Physical Security 00:01:00
Unit 04: Account Security
Section Overview – Account Security 00:01:00
Intro to PAM 00:05:00
PAM Configuration Example 00:04:00
Password Security 00:08:00
Account Security Demo #1 (UID 0) 00:03:00
Controlling Account Access 00:05:00
Security by Account Type 00:06:00
Account Security Demo #2 00:03:00
Account Security Demo #3 (Sudo) 00:05:00
Unit 05: Network Security
Section Overview – Network Security 00:01:00
Network Security, Part I 00:08:00
Network Security, Part II 00:06:00
Securing SSHD, Part I 00:08:00
Securing SSHD, Part II 00:03:00
Linux Firewall Fundamentals 00:08:00
Configuring the Firewall from the Command Line 00:04:00
Firewall Rule Specifications 00:05:00
Example Firewall Rules 00:04:00
Linux Firewall Demonstration 00:10:00
TCP Wrappers, Part I 00:07:00
TCP Wrappers, Part II 00:04:00
Unit 06: File System Security
Section Overview – File System Security 00:01:00
File and Directory Permissions, Intro 00:01:00
File and Directory Permissions, Part I 00:11:00
File and Directory Permissions, Part II 00:09:00
Special Modes, Part I 00:08:00
Special Modes, Part II 00:03:00
File Attributes 00:06:00
File Attributes Demo 00:03:00
ACLs 00:09:00
ACLs Demo 00:06:00
Rootkits 00:09:00
Rootkit Hunter Demonstration 00:07:00
Unit 07: Additional Resources
Additional Resources 00:05:00
Assignment -Linux Security and Hardening 2 weeks, 1 day
Order Your Certificate
Order Your Certificate QLS 00:00:00

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