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

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.

Guide to using YubiKey for GnuPG and SSH

Prowler is an Open Source Security tool for AWS, Azure, GCP and Kubernetes to do security assessments, audits, incident response, compliance, continuous monitoring, hardening and forensics readiness. Includes CIS, NIST 800, NIST CSF, CISA, FedRAMP, PCI-DSS, GDPR, HIPAA, FFIEC, SOC2, GXP, Well-Architected Security, ENS and more

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

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

This Ansible collection provides battle tested hardening for Linux, SSH, nginx, MySQL

Hardentools simply reduces the attack surface on Microsoft Windows computers by disabling low-hanging fruit risky features.

HardeningKitty and Windows Hardening Settings

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

A curated list of awesome Security Hardening techniques for Windows.

Windows 10/11 Guide. Including Windows Security tools, Encryption, Nextcloud, Graphics, Gaming, Virtualization, Windows Subsystem for Linux (WSL 2), Software Apps, and Resources.

Hardening Ubuntu. Systemd edition.

HardeningKitty - Checks and hardens your Windows configuration

🔥 A powerful MongoDB auditing and pentesting tool 🔥

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.

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.

Terraform module to set up your AWS account with the secure baseline configuration based on CIS Amazon Web Services Foundations and AWS Foundational Security Best Practices.

a collection about Windows 11

Easily configure macOS security settings from the terminal.