cis-gworkspace-3.1.4.3.1

DevOps & Security

Ensure external spaces in Google Chat and Hangouts are restricted

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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-3.1.4.3.1/SKILL.md

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Ensure external spaces in Google Chat and Hangouts are restricted (Manual)

Description

Control whether users can create or join spaces within your organization that include external people outside of your organization.

Rationale

Restricting external spaces to only approved domains potentially limits the spread of company information.

Impact

Users with this setting turned off or who have editions that don't support external spaces can't create these spaces, but they can join existing spaces with external people.

Audit Procedure

Using Google Workspace Admin Console

Log in to https://admin.google.com as an administrator
Select Apps
Select Google Chat and classic Hangouts
Select External Spaces
Under Setting, verify Allow users at <domain> to create and join spaces with people outside their organization is ON
Verify Only allow users to add people from allowlisted domains is checked

Expected Result

Allow users at <domain> to create and join spaces with people outside their organization should be ON, and Only allow users to add people from allowlisted domains should be checked.

Remediation

Using Google Workspace Admin Console

Log in to https://admin.google.com as an administrator
Select Apps
Select Google Chat and classic Hangouts
Select External Spaces
Under Setting, set Allow users at <domain> to create and join spaces with people outside their organization to ON
Set Only allow users to add people from allowlisted domains to checked
Select Save

Default Value

Allow users at <company> to create and join spaces with people outside their organization is ON
Only allow users to add people from allowlisted domains is unchecked

CIS Controls

Controls Version	Control	IG 1	IG 2	IG 3
v8	3.3 Configure Data Access Control Lists	x	x	x
v7	14.6 Protect Information through Access Control Lists	x	x	x

Profile

Level 1