Limes Academy / Security Engineering Training / SEC.332 System Hardening Linux

SEC.332 System Hardening Linux

System Hardening Linux training teaches system administrators how to run a secure Linux-based system. The theoretical concepts of server hardening will be discussed, as well as concrete practical measures in the areas of user and network configuration, installation of updates, firewall configuration and the secure configuration of daemon services.

The training is particularly recommended for

Administrators, who want to improve the security of their systems against the world wide web or intranet.

The training in a nutshell

  • Ideal training for creating hardening baselines
  • Duration: 2 days
  • Course Language: German or English
  • Requirements: No previous knowledge, own notebook necessary
  • Completion with certificate of participation
  • Public and in-house training possible

Content of training

The participants can expect the following content for the selected training:

Day 1

  • Attacker map
  • Hardware and Software Inventory
  • Secure configurations
  • Controlled access, Malware Defense and Boundary Defense
  • Data Recovery and Data Protection, Incident Response and Audit Readiness

Day 2

  • User configuration, network configuration, and NTP configuration
  • Package management and update installation
  • Firewall configuration and iptables
  • Daemon configuration and securing SSH access
  • SELinux and other hardening measures
  • Logging and monitoring

After the training the participants should…

  • know how to improve your Asset Inventory and monitor the system landscape.
  • understand how access management systems work and how to use them effectively.
  • have deep knowledge about hardening measures for Linux-based systems.
  • be capable to lastingly reduce the attack area on your Linux systems and increase your company’s security level.


SEC.332  System Hardening Linux



for a security hardening baseline in Linux

Dates and registration

01 January 2033

SEC.331 System Hardening Windows

01.01.2033 - 03.01.2033
03 January 2033

SEC.332 System Hardening Linux

03.01.2033 - 05.01.2033