cis-gworkspace-3.1.2.1.1.4

DevOps & Security

Ensure users are warned when they share a file with users in an allowlisted domain

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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-3.1.2.1.1.4/SKILL.md

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3.1.2.1.1.4 Ensure users are warned when they share a file with users in an allowlisted domain

Level

Profile Applicability

Enterprise Level 2

Type

Manual

Description

Warn the user when they try and share a file and/or shared drive with users in an allowlisted domain.

Rationale

The user may not realize the potential account is external to the organization. Providing a warning allows the user an opportunity to know this and possibly reassess this sharing.

Impact

None, except an additional warning. Sharing can still occur.

Audit

To verify this setting via the Google Workspace Admin Console:

Log in to https://admin.google.com as an administrator
Select Apps
Select Drive and Docs
Select Sharing Settings
Select Sharing Options
Under Sharing outside of <Company>
Ensure ALLOWLISTED DOMAINS - Files owned by users or shared drives in BMDT-Group can be shared with Google accounts in compatible allowlisted domains is checked. Also, ensure the sub-setting Warn when files owned by users or shared drives in <Company> are shared with users in allowlisted domains 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 Drive and Docs
Select Sharing Settings
Select Sharing Options
Under Sharing outside of <Company>
Set ALLOWLISTED DOMAINS - Files owned by users or shared drives in BMDT-Group can be shared with Google accounts in compatible allowlisted domains. to checked. Also, set the sub-setting Warn when files owned by users or shared drives in <Company> are shared with users in allowlisted domains to checked.
Select Save

Default Value

For files owned by users in <Company> warn when sharing outside of <Company> is checked

CIS Controls

Controls Version	Control	IG 1	IG 2	IG 3
v8	4.8 Uninstall or Disable Unnecessary Services on Enterprise Assets and Software		x	x
v7	9.2 Ensure Only Approved Ports, Protocols and Services Are Running		x	x