https://www.cisecurity.org/
https://workbench.cisecurity.org/benchmarks/18210/files
https://cyber.gouv.fr/publications/configuration-recommendations-gnulinux-system
https://www.ccn.cni.es/index.php/en/menu-guides-ccn-stic-en
https://csrc.nist.gov/pubs/sp/800/171/r3/final
https://blog.pcisecuritystandards.org/pci-dss-v4-0-resource-hub
https://public.cyber.mil/stigs/downloads/
https://www.open-scap.org/security-policies/choosing-policy/
https://www.open-scap.org/security-policies/
https://www.open-scap.org/resources/documentation/customizing-scap-security-guide-for-your-use-case/