---
id: 3756
title: "Enable SMB Signing via GPO"
source_domain: projectblack.io
source_url: "https://projectblack.io/blog/enable-smb-signing-gpo/"
published_at: "2024-06-26T02:27:36Z"
tags: ["active-directory", "windows", "hardening", "ntlm-relay", "gpo", "smb-signing"]
phying_url: "https://phying.com/item/3756"
lang: en
---

# Enable SMB Signing via GPO

## Summary

Why 'SMB Signing not required' deserves attention: without signing, NTLM relay attacks grant access without cracking passwords. A GPO guide to enabling and requiring signing on servers and clients.

## Intelligence Metadata

- **Sources:** projectblack.io
- **Published:** 2024-06-26T02:27:36Z
- **Original:** https://projectblack.io/blog/enable-smb-signing-gpo/
- **Phying News:** https://phying.com/item/3756