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CompTIA Linux+

Security

Andrew Mallett

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

Coming soon We're preparing activities for CompTIA Linux+: Security. These are activities you can do either before, during, or after a course.

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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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