HARDN — Frequently Asked Questions
Welcome to the official HARDN FAQ by Security International Group (SIG)
Below are answers to common questions about the project, usage, and contribution.
What is HARDN?
HARDN (Hardened Automation for Redundant Defense Networks) is an open-source Linux hardening framework that automates STIG, CIS, and FedRAMP compliance for secure systems.
Who maintains HARDN?
Maintained by Security International Group, a cybersecurity collective focused on automation, compliance, and open-source defense.
What platforms are supported?
Debian-based Linux systems are fully supported.
Is HARDN open source?
Yes — all code is publicly available on GitHub.
Repository:
https://github.com/Security-International-Group/HARDNHow can I contribute?
Submit issues, pull requests, or feature ideas on GitHub following SIG’s contribution standards.
What standards does HARDN implement?
HARDN implements DISA STIG standards and aligns with CIS Benchmarks, integrating internal compliance checks to ensure robust and verifiable system security.
What makes HARDN different?
HARDN combines automation, telemetry, and continuous compliance verification through its LEGION daemon, SIEM dashboard, and service manager, delivering active system hardening rather than one-time configuration.
How do I get support or report bugs?
Open a support ticket in Discord (#support) or report directly on GitHub.
Can I use HARDN commercially?
Yes — it’s open source and may be used or integrated under its license.
Learn more
Visit the official site:
https://securityinternationalgroup.org/© 2025 Security International Group | HARDN
Thank you Alexis Soto-Yanez
https://www.linkedin.com/in/alexis-sotoyanez/You are an excellent team player!
Enjoy #linux
Well, that was exciting. See you in the next one!