An evolving how-to guide for securing a Linux server.
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Updated
Jul 13, 2026
An evolving how-to guide for securing a Linux server.
Community guide to securing and improving privacy on macOS.
Lynis - 安全 auditing tool for Linux, macOS, and UNIX-based systems. Assists with compliance testing (HIPAA/ISO27001/PCI DSS) and system hardening. Agentless, and installation optional.
Prowler is the world’s most widely used open-source cloud security platform that automates security and compliance across any cloud environment.
Community guide to using YubiKey for GnuPG and SSH - protect secrets with hardware crypto.
🛡️ Open-source and cloud-native Web Application Firewall (WAF)
This guide details creating a secure Linux production system. OpenSCAP (C2S/CIS, STIG).
This Ansible collection provides battle tested hardening for Linux, SSH, nginx, MySQL
安全 automation content in SCAP, Bash, Ansible, and other formats
HardeningKitty and Windows Hardening 设置
Free Windows, Mac and Linux cleaner, scanner, and more.
Hardened allocator designed for modern systems. It has integration into Android's Bionic libc and can be used externally with musl and glibc as a dynamic library for use on other Linux-based platforms. It will gain more portability/integration over time.
Hardening Ubuntu. Systemd edition.
HardeningKitty - Checks and hardens your Windows configuration
Windows 10/11 Guide. Including Windows 安全 tools, Encryption, Nextcloud, Graphics, Gaming, Virtualization, Windows Subsystem for Linux (WSL 2), Software Apps, and Resources.
Enhance the security and privacy of your Windows 10 and Windows 11 deployments with our fully optimized, hardened, and debloated script. Adhere to industry best practices and Department of Defense STIG/SRG requirements for optimal performance and security.
🔥 A powerful MongoDB auditing and pentesting tool 🔥
a collection about Windows 11
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