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CompTIA Linux+

Security

Security and Cyber-Security skills are more and more sort after. This course will teach you to secure various Linux distributions and to look at the security angle as a first approach.

If you are short on one or more Linux security skills this course is a great starting point. In this course, CompTIA Linux+: Security, you’ll learn to diagnose and secure Linux security issues. First, you’ll explore Linux permissions and access control Lists. Next, you’ll discover securing Linux remote access with SSH and SSH Certificate Servers. Finally, you’ll learn how to protect network access to your systems with firewalls. When you’re finished with this course, you’ll have the skills and knowledge of Linux Security needed to secure a range of Linux distributions.

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What's inside

Syllabus

Course Overview

Securing Linux Systems

Understanding the File Mode or Permissions

Managing Special File Permissions

Extending the File Mode with ACLs

Implementing SELinux

Working with AppArmor

Managing SSH Servers and Connections

Elevating Privileges in Linux

Managing Local Users

Implementing HTTPS with the Apache Web Server

Implementing an openSSL Certificate Server

Implementing Identity Management with openLDAP and SSSD

Hardening Your Linux Systems

Implementing Firewalls with Firewalld

Implement Firewalls with UFW

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Explores Linux permissions and access control lists to strengthen security measures

Covers securing Linux remote access with SSH and SSH Certificate Servers, ensuring secure connections

Involves implementing Identity Management with openLDAP and SSSD to enhance user authentication and authorization

Includes hands-on implementation of firewalls with Firewalld and UFW to protect network access

Develops skills in managing special file permissions, extending file modes with ACLs, and implementing SELinux and AppArmor for enhanced security

May require prior experience with Linux distributions and basic security concepts to fully benefit from the course

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in CompTIA Linux+: Security with these activities:

Review course materials

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Improve foundational knowledge by reviewing course materials

Browse courses on Security

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Read through course syllabus and learning outcomes

Participate in online discussion forums about Linux security

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Engage with peers and experts to expand knowledge and perspectives on Linux security

Browse courses on Linux Security

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Join online forums and communities focused on Linux security
Actively participate in discussions, ask questions, and share insights

Practice managing file permissions and access control lists

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Reinforce understanding of file permissions and access control mechanisms

Browse courses on File Permissions

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Set up a virtual environment to practice
Create different types of files and directories
Assign different permissions to files and directories
Use commands like chmod, chown, and chgrp to modify permissions

Four other activities

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Contribute to an open-source project related to Linux security

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Gain hands-on experience and contribute to the Linux security ecosystem

Browse courses on Linux Security

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Identify an open-source project that aligns with your interests
Familiarize yourself with the project's codebase and documentation
Suggest improvements or contribute code to the project

Create a cheat sheet on SSH commands

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Solidify knowledge of SSH commands by creating a reference guide

Browse courses on SSH

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Gather all the necessary SSH commands and their descriptions
Organize the commands into logical categories
Create a visually appealing and easy-to-use cheat sheet

Mentor junior students or colleagues on Linux security concepts

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Share knowledge while reinforcing understanding and strengthening communication skills

Browse courses on Linux Security

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Identify opportunities to mentor others, such as through online forums or study groups
Provide guidance on Linux security concepts and best practices
Answer questions and offer support to mentees

Build a secure web server using Apache and HTTPS

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Apply practical skills by configuring a web server with encryption and protection

Browse courses on Apache Web Server

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Set up a virtual environment with Apache web server
Generate an SSL certificate using OpenSSL
Configure Apache to use HTTPS and the SSL certificate
Test the web server's security using tools like SSL Labs

Career center

Learners who complete CompTIA Linux+: Security will develop knowledge and skills that may be useful to these careers:

Security Consultant

A Security Consultant provides advice and guidance to organizations on how to improve their security posture. This course may be helpful for someone interested in this role, as it provides a foundation in Linux security, including topics such as permissions, access control, remote access, and firewalls.

See salaries and explore the career path for Security Consultant

Cybersecurity Engineer

A Cybersecurity Engineer designs, implements, and maintains security systems to protect an organization's computer networks and data from unauthorized access, use, disclosure, disruption, modification, or destruction. This course may be helpful for someone interested in this role, as it provides a foundation in Linux security, including topics such as permissions, access control, remote access, and firewalls.

See salaries and explore the career path for Cybersecurity Engineer

Information Security Analyst

An Information Security Analyst designs, implements, and manages security measures to protect an organization's computer networks and data from unauthorized access, use, disclosure, disruption, modification, or destruction. This course may be helpful for someone interested in this role, as it provides a foundation in Linux security, including topics such as permissions, access control, remote access, and firewalls.

See salaries and explore the career path for Information Security Analyst

Network Administrator

A Network Administrator manages an organization's computer networks and data. This course may be helpful for someone interested in this role, as it provides a foundation in Linux security, including topics such as permissions, access control, remote access, and firewalls.

See salaries and explore the career path for Network Administrator

Systems Administrator

A Systems Administrator manages an organization's computer systems. This course may be helpful for someone interested in this role, as it provides a foundation in Linux security, including topics such as permissions, access control, remote access, and firewalls.

See salaries and explore the career path for Systems Administrator

IT Manager

An IT Manager oversees an organization's information technology (IT) department. This course may be helpful for someone interested in this role, as it provides a foundation in Linux security, including topics such as permissions, access control, remote access, and firewalls.

See salaries and explore the career path for IT Manager

Security Analyst

A Security Analyst investigates and responds to security incidents. This course may be helpful for someone interested in this role, as it provides a foundation in Linux security, including topics such as permissions, access control, remote access, and firewalls.

See salaries and explore the career path for Security Analyst

Incident Responder

An Incident Responder investigates and responds to security incidents. This course may be helpful for someone interested in this role, as it provides a foundation in Linux security, including topics such as permissions, access control, remote access, and firewalls.

See salaries and explore the career path for Incident Responder

Security Architect

A Security Architect designs and implements security solutions for an organization. This course may be helpful for someone interested in this role, as it provides a foundation in Linux security, including topics such as permissions, access control, remote access, and firewalls.

See salaries and explore the career path for Security Architect

Software Engineer

A Software Engineer designs, develops, and maintains software applications. This course may be helpful for someone interested in this role, as it provides a foundation in Linux security, including topics such as permissions, access control, remote access, and firewalls.

See salaries and explore the career path for Software Engineer

Ethical Hacker

An Ethical Hacker legally penetrates an organization's computer systems to identify vulnerabilities and weaknesses. This course may be helpful for someone interested in this role, as it provides a foundation in Linux security, including topics such as permissions, access control, remote access, and firewalls.

See salaries and explore the career path for Ethical Hacker

Database Administrator

A Database Administrator manages an organization's databases. This course may be helpful for someone interested in this role, as it provides a foundation in Linux security, including topics such as permissions, access control, remote access, and firewalls.

See salaries and explore the career path for Database Administrator

IT Auditor

An IT Auditor evaluates an organization's IT systems and processes to ensure that they are secure and compliant with regulations. This course may be helpful for someone interested in this role, as it provides a foundation in Linux security, including topics such as permissions, access control, remote access, and firewalls.

See salaries and explore the career path for IT Auditor

DevOps Engineer

A DevOps Engineer collaborates with developers and operations teams to ensure that software applications are deployed and maintained efficiently and securely. This course may be helpful for someone interested in this role, as it provides a foundation in Linux security, including topics such as permissions, access control, remote access, and firewalls.

See salaries and explore the career path for DevOps Engineer

Cloud Engineer

A Cloud Engineer designs, implements, and manages cloud computing environments. This course may be helpful for someone interested in this role, as it provides a foundation in Linux security, including topics such as permissions, access control, remote access, and firewalls.

See salaries and explore the career path for Cloud Engineer

Reading list

We've selected ten books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in CompTIA Linux+: Security.

Linux Pocket Guide

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Valuable reference tool for system administrators and security professionals. It provides practical recipes for securing Linux systems, covering topics such as user management, file permissions, network security, and intrusion detection.

CompTIA Linux+

Security

What's inside

Syllabus

Good to know

Save this course

Activities

Career center

Reading list

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