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Awesome Security Hardening

github.com/decalage2/awesome-security-hardening Privacy Guides Open-source project

A GitHub collection of security hardening guides, tools, and other resources, including material tagged for Windows hardening and security practices.

Visit Awesome Security Hardening 8 alternatives
github.com/decalage2/awesome-security-hardening
Awesome Security Hardening homepage screenshot

About Awesome Security Hardening

Awesome Security Hardening is a GitHub repository that collects links to security hardening guides, best-practice checklists, benchmarks, tools, and other resources. It is organized by operating system (GNU/Linux, Red Hat Enterprise Linux, CentOS, SUSE, Ubuntu, Windows, macOS), network devices, services, cloud, and hardware. The repository does not itself apply or test hardening. Its entries point to external material, which varies in age and access terms. Some linked guides are dated, one Linux benchmark is marked archived, and CIS Benchmarks require registration. The README describes the project as a work in progress and invites suggestions through issues or pull requests.

Key features

  • Curated links to hardening guides for Linux distributions and Windows
  • Sections covering network devices, SSH, TLS/SSL, DNS, and Active Directory
  • Separate lists of tools to check hardening and tools to apply it
  • Links to government and standards-body guidance, including ANSSI, NSA, and DISA STIGs
  • Sections for containers, cloud, virtualization, and authentication and passwords
  • Community contributions accepted through issues or pull requests
Best for: System administrators and security practitioners who want a single index of external hardening guides and tools for specific operating systems and services.
Good for
  • Covers a wide range of operating systems, network devices, and services in one index
  • Includes guidance from government agencies and standards bodies such as ANSSI, NSA, and DISA
  • Groups resources by system and by task, such as checking or applying hardening
Watch out for
  • The README describes the project as a work in progress
  • Several linked guides are dated, and one Linux benchmark is marked as archived
  • CIS Benchmarks listed on the page require registration

Awesome Security Hardening at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Open source
Not stated
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026
linuxsecuritysecurity toolscybersecurity

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Awesome Security Hardening FAQ

How can I contribute a resource to the list?
The README says you can create an issue ticket, or fork the repository, edit it, and send a pull request. Suggestions can also be sent on Twitter to @decalage2.
Does the list cover Windows hardening?
Yes. The directory description and the README include a Windows section with links to Microsoft security baselines, guidance from the Australian Cyber Security Centre, and NSA guidance on AppLocker and BitLocker, among others.
Do I need to register to use the CIS Benchmarks?
The README marks the CIS Benchmarks entry as registration required.
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Listing maintained by Chris McClure and the WebIndexly editors · Updated Oct 13, 2026 · How we rank