How do I install the Cis Gworkspace 3.1.3.4.3.4 skill?

Run npx skillmds@latest add cyberstrikeus/cis-gworkspace-3-1-3-4-3-4 in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

What does the Cis Gworkspace 3.1.3.4.3.4 skill do?

Ensure protection against any unauthenticated emails is enabled It is listed under Coding & Dev Tools on SkillMD.

Is Cis Gworkspace 3.1.3.4.3.4 safe to use?

SkillMD's automated safety review verdict for this skill is PASS. Independent scanners report: SkillSpector: PASS, Skill Scanner: PASS. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Cis Gworkspace 3.1.3.4.3.4?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Cis Gworkspace 3.1.3.4.3.4 free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Cis Gworkspace 3.1.3.4.3.4?

cyberstrikeus (@cyberstrikeus) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Cis Gworkspace 3.1.3.4.3.4 by cyberstrikeus

Name: Cis Gworkspace 3.1.3.4.3.4
Author: cyberstrikeus

File contents

3.1.3.4.3.4 Ensure protection against any unauthenticated emails is enabled

Overview

Property	Value
CIS ID	3.1.3.4.3.4
Level	L1
Profile Applicability	Enterprise Level 1
Assessment Type	Manual
Section	Gmail > Safety > Spoofing and authentication

Description

Displays a warning when any message is not authenticated (SPF or DKIM).

Rationale

You should protect your users from any emails that aren't authenticated (SPF or DKIM).

Impact

Emails that aren't authenticated (SPF or DKIM) display a warning message to the recipient.

Default Value

Protect against any unauthenticated emails = unchecked

Audit

To verify this setting via the Google Workspace Admin Console:

Log in to https://admin.google.com as an administrator
Select Apps
Select Google Workspace
Select Gmail
Under Safety - Spoofing and authentication, ensure Protect against any unauthenticated emails is checked

Remediation

To configure this setting via the Google Workspace Admin Console:

Log in to https://admin.google.com as an administrator
Select Apps
Select Google Workspace
Select Gmail
Under Safety - Spoofing and authentication, set Protect against any unauthenticated emails to checked
Select Save

CIS Controls

Controls Version	Control	IG 1	IG 2	IG 3
v8	9.5 Implement DMARC		x	x
v7	7.8 Implement DMARC and Enable Receiver-Side Verification		x	x

---name: cis-gworkspace-3-1-3-4-3-4description: Ensure protection against any unauthenticated emails is enabled---# 3.1.3.4.3.4 Ensure protection against any unauthenticated emails is enabled## Overview| Property | Value || ------------------------- | -------------------------------------------- || **CIS ID** | 3.1.3.4.3.4 || **Level** | L1 || **Profile Applicability** | Enterprise Level 1 || **Assessment Type** | Manual || **Section** | Gmail > Safety > Spoofing and authentication |## DescriptionDisplays a warning when any message is not authenticated (SPF or DKIM).## RationaleYou should protect your users from any emails that aren't authenticated (SPF or DKIM).## ImpactEmails that aren't authenticated (SPF or DKIM) display a warning message to the recipient.## Default Value`Protect against any unauthenticated emails` = **unchecked**## AuditTo verify this setting via the Google Workspace Admin Console:1. Log in to [https://admin.google.com](https://admin.google.com) as an administrator2. Select **Apps**3. Select **Google Workspace**4. Select **Gmail**5. Under `Safety` - `Spoofing and authentication`, ensure `Protect against any unauthenticated emails` is **checked**## RemediationTo configure this setting via the Google Workspace Admin Console:1. Log in to [https://admin.google.com](https://admin.google.com) as an administrator2. Select **Apps**3. Select **Google Workspace**4. Select **Gmail**5. Under `Safety` - `Spoofing and authentication`, set `Protect against any unauthenticated emails` to **checked**6. Select **Save**## CIS Controls| Controls Version | Control | IG 1 | IG 2 | IG 3 || ---------------- | --------------------------------------------------------- | ---- | ---- | ---- || v8 | 9.5 Implement DMARC | | x | x || v7 | 7.8 Implement DMARC and Enable Receiver-Side Verification | | x | x |

Frequently asked questions

Cis Gworkspace 3.1.3.4.3.4