Course

Domain 3: Security

This course includes coverage of the third domain of the test objectives: Security. The course includes lessons that cover some of the existing security functionality for the Linux operating system, network and storage.

    Syllabus

  • Linux firewalls Video — 00:26:04
    • An introduction to general firewall concepts and specific Linux firewall tools like firewalld, iptables, ufw and netfilter, as well as Linux tools to control access.

  • Common security best practices Video — 00:12:38
    • An introduction to common security features and how to apply them in Linux environments.

  • Advanced security Video — 00:15:25
    • An introduction to advanced security tools, such as SELinux and AppArmor.

  • Backups and compression Video — 00:15:48
    • A review of common Linux backup, archiving and compression tools.

  • Logging Video — 00:11:11
    • An introduction to Linux logging features and the journal.

  • Managing access and authentication Video — 00:30:12
    • An introduction to Linux authentication and authorization tools, as well as how to secure network traffic.

  • Permissions Video — 00:40:04
    • An introduction to traditional Linux security, including rwx and special permissions. It includes additional coverage of privilege escalation techniques, such as su and sudo.

Syllabus

Course description

The lessons in this course review concepts and commands related to traditional UGO file permissions of rwx, the special permissions like SetUID, SetGID and Sticky Bit. Lessons also cover advanced OS and application security through SELinux and AppArmor, as well as covering concepts like authentication, logging tools like rsyslog and the systemd journal, firewalls, backup and compression as well as general security best practices.

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CY

We use Infosec Skills to provide continuous training to our technicians and to prepare them for various certifications. Infosec Skills allows us to create personalized training programs that focus on each of our technicians’ particular roles and see their progress as they take courses. We also, recommend it to clients to make their IT support teams better.

Caleb Yankus

DS

This has been utilized to bridge the skills gap across our cyber team and to aid them as they prepare for their various certifications. It also has provided a nice learning foundation for our various cyber team members to utilize as we continue to find ways for cross-utilization with operations while minimizing the downtime needed to ensure everyone’s knowledge is the same.

Daniel Simpson

IS

We use Infosec Skills to provide base level knowledge for employees. We also use the services to provide in depth learning for employees as they encounter new technologies. If an employee is is assigned to a new project, we can rely on Infosec Skills to provide a rapid concentrated learning environment. This rapid concentrated learning positions our employees for success.

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    • 190+ role-guided learning paths and assessments (e.g., Incident Response)
    • 100s of hands-on labs in cloud-hosted cyber ranges
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