Top #harden Tools & Software

How-To-Secure-A-Linux-Server

github

An evolving how-to guide for securing a Linux server.

lynis

github

Lynis - Security auditing tool for Linux, macOS, and UNIX-based systems. Assists with compliance testing (HIPAA/ISO27001/PCI DSS) and system hardening. Agentless, and installation optional.

YubiKey-Guide

github

Community guide to using YubiKey for GnuPG and SSH - protect secrets with hardware crypto.

the-practical-linux-hardening-guide

github

This guide details creating a secure Linux production system. OpenSCAP (C2S/CIS, STIG).

bunkerweb

github

🛡️ Open-source and next-generation Web Application Firewall (WAF)

Harden-Windows-Security

github

Harden Windows Safely, Securely using Official Supported Microsoft methods and proper explanation | Always up-to-date and works with the latest build of Windows | Provides tools and Guides for Personal, Enterprise, Government and Military security levels | SLSA Level 3 Compliant for Secure Development and Build Process | Apps Available on MS Store✨

content

github

Security automation content in SCAP, Bash, Ansible, and other formats

windows_hardening

github

HardeningKitty and Windows Hardening Settings