Achieve STIG Compliance: Strengthen Domain Security and Ensure Regulatory Requirements

Introduction

In today's rapidly evolving cybersecurity landscape, ensuring the security and compliance of your domain is of utmost importance. Adhering to STIGs (Security Technical Implementation Guides) and SRGs (Security Requirements Guides) is crucial to maintaining a robust and well-protected IT infrastructure. In this article, we will explore how SimeonOnSecurity's comprehensive guide can assist you in achieving STIG compliance for your domain, providing you with the necessary tools and insights to enhance your security posture.

Reasoning

With the increasing number of cyber threats and regulatory requirements, organizations need to establish a strong security foundation within their domains. STIGs and SRGs offer a set of guidelines and best practices for securing various software and systems. By implementing these standards, organizations can mitigate risks, protect sensitive data, and ensure their systems are configured in a secure manner. SimeonOnSecurity's domain prep script brings together a collection of GPOs (Group Policy Objects) and configurations from trusted sources, helping organizations streamline the process of achieving STIG compliance.

Methods

SimeonOnSecurity's domain prep script provides a comprehensive approach to making your domain compliant with applicable STIGs and SRGs. The guide includes a script that can be executed within an enterprise environment to apply the necessary configurations. By following these steps, you can automate the process and save valuable time.

The script imports the GPOs provided by SimeonOnSecurity, which have been extensively reviewed and tested. These GPOs cover a wide range of software and systems, including Adobe Acrobat, web browsers like Firefox and Chrome, Microsoft Office, Windows operating systems, and more. The script ensures that the configurations align with the latest STIG and SRG guidelines, helping you meet the necessary security standards.

Additionally, the script incorporates additional configurations sourced from reputable organizations such as CERT, Microsoft, and NSA Cyber. These configurations address specific security considerations like memory corruption, SSL hardening, telemetry management, application whitelisting, and hardware/firmware security, among others.

By leveraging SimeonOnSecurity's domain prep script, organizations can enhance their domain's security posture, reduce vulnerabilities, and demonstrate compliance with relevant regulations and standards.

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STIG Compliant Domain Prep Import all the GPOs provided by SimeonOnSecurity to assist in making your domain compliant with all applicable STIGs and SRGs.

Note: This script should work for most, if not all, systems without issue. While @SimeonOnSecurity creates, reviews, and tests each repo intensivly, we can not test every possible configuration nor does @SimeonOnSecurity take any responsibility for breaking your system. If something goes wrong, be prepared to submit an issue. Do not run this script if you don't understand what it does.

Notes:

This script is designed for use in Enterprise environments

Ansible:

We now offer a playbook collection for this script. Please see the following:

• Github Repo

• Ansible Galaxy

Additional configurations were considered from:

• CERT - IE Scripting Engine Memory Corruption

• Dirteam - SSL Hardening

• Microsoft - Managing Windows 10 Telemetry and Callbacks

• Microsoft - Specture and Meltdown Mitigations

• Microsoft - Windows 10 Privacy

• Microsoft - Windows 10 VDI Recomendations

• Microsoft - Windows Defender Application Control

• NSACyber - Application Whitelisting Using Microsoft AppLocker

• NSACyber - Hardware-and-Firmware-Security-Guidance

• Whonix - Disable TCP Timestamps

STIGS/SRGs Applied:

• Adobe Acrobat Pro DC Continuous V2R1

• Adobe Acrobat Reader DC Continuous V2R1

• Firefox V5R2 - Requires Separate Script

• Google Chrome V2R4

• Internet Explorer 11 V1R19

• Microsoft Edge V1R2

• Microsoft .Net Framework 4 V1R9 - Requires Separate Script

• Microsoft Office 2013 V2R1

• Microsoft Office 2016 V2R1

• Microsoft Office 2019/Office 365 Pro Plus V2R3

• Microsoft OneDrive STIG V2R1

• Oracle JRE 8 V1R5 - Requires Separate Script

• Windows 10 V2R2

• Windows Defender Antivirus V2R2 - Requires Separate Script

• Windows Firewall V1R7

• Windows Server 2012(R2) V3R2

• Windows Server 2016 V2R2

• Windows Server 2019 V2R2

• VMWare Horizon Agent V1R1

• VMWare Horizon Client V1R1

Usage:

PowerShell Script:

The script may be launched from the extracted GitHub download like this:

.\sos-stig-compliant-domain-prep.ps1

The script we will be using must be launched from the directory containing all the other files from the GitHub Repository