A collection of awesome security hardening guides, tools and other resources

HardeningKitty and Windows Hardening Settings

This Ansible role provides windows hardening configurations for the DevSec Windows baseline profile.

Enterprise-Grade Security & Privacy Hardening Tool for Windows 11 25H2

C# Based GUI for Windows-Optimize-Harden-Debloat

Windows and macOS Hardening Interface to make security more accessible.

A collection of awesome security hardening software, libraries, learning tutorials & documents, e-books, best practices, checklists, benchmarks about hardening in Cybersecurity

Hardened Windows Server image

Barikade is a Windows Service to close processes running outside allowed directories followed by network connections blocking to prevent the use of legit software to bypass Windows Firewall and download malware.

Python tool to audit Windows 10/11/Server against CIS Benchmarks. 1000+ checks, HTML/JSON reports.

Directory for Windows ISO-Tweaks

IT Infrastructure Hardening Automation

This project will be used to create a program that can easily secure a Windows and Linux computer.

Identify and provide details on listening services in a Windows system

One script. 150+ checks. Harden Windows 10/11 in minutes. Interactive TUI with audit scoring, Defender ASR rules, telemetry removal, bloatware cleanup, and CIS benchmark coverage.

Hardening and Auditing Windows OS.

Windows registry tweak toolkit — 4 528 verified tweaks across 168 categories. WinForms GUI with 11 themes, full CLI with 25+ commands. .NET 10, C# 13.

best optimizer for Windows

WinLocksmith - Windows System Hardening Script Generator, A sys admin's swiss knife, Open-source Intune alternative for Windows Administration. Generate PowerShell scripts to apply business restrictions, lock down workstations, and configure Kiosk mode on Windows 10/11—no MDM subscription required.

Group Policy security hardening lab with custom baseline GPOs, password policies, lockout settings, firewall configuration, and AD compliance checks.