cis-gworkspace-3.1.3.4.3.3

DevOps & Security

Ensure protection against inbound emails spoofing your domain is enabled

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Source SKILL.md: https://github.com/CyberStrikeus/CyberStrike/blob/HEAD/.cyberstrike/skill/CIS_benchmarks/Cloud_Providers/Google_Workspace/CIS_Google_Workspace_Foundations_Benchmark_v1.3.0/cis-gworkspace-3.1.3.4.3.3/SKILL.md

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3.1.3.4.3.3 Ensure protection against inbound emails spoofing your domain is enabled

Overview

Property	Value
CIS ID	3.1.3.4.3.3
Level	L1
Profile Applicability	Enterprise Level 1
Assessment Type	Manual
Section	Gmail > Safety > Spoofing and authentication

Description

Moves inbound emails spoofing your domain to spam folder.

Rationale

You should protect your users from inbound company domain spoofing emails.

Impact

Inbound company domain spoofed emails will be moved to a user's spam folder.

Default Value

Protect against inbound emails spoofing your domain = checked
Action = Keep email in inbox and show warning (default)

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 inbound emails spoofing your domain is checked
Ensure Action is Move email to spam

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 inbound emails spoofing your domain to checked
Set Action to Move email to spam
Select Save

CIS Controls

Controls Version	Control	IG 1	IG 2	IG 3
v8	9.3 Maintain and Enforce Network-Based URL Filters		x	x
v7	7.4 Maintain and Enforce Network-Based URL Filters		x	x