STIGQter: STIG Summary: Microsoft Office System 2013 Security Technical Implementation Guide Version: 2 Release: 1 Benchmark Date: 23 Oct 2020:

The ability to sign into Office365 must be disabled.

DISA Rule

SV-228535r508020_rule

Vulnerability Number

V-228535

Group Title

SRG-APP-000141

Rule Version

DTOO405

Severity

CAT II

CCI(s)

• CCI-000381 - The organization configures the information system to provide only essential capabilities.

Weight

10

Fix Recommendation

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Office 2013 -> Miscellaneous -> "Block signing into Office" to "Enabled: org ID only".

Check Contents

Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Office 2013 >> Miscellaneous >> "Block signing into Office" is set to "Enabled: org ID only".

Use the Windows Registry Editor to navigate to the following HKCU\Software\Policies\Microsoft\Office\15.0\common\signin

If the value 'signinoptions' is REG_DWORD = 2, this is not a finding.

Vulnerability Number

V-228535

Documentable

False

Rule Version

DTOO405

Severity Override Guidance

Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Office 2013 >> Miscellaneous >> "Block signing into Office" is set to "Enabled: org ID only".

Use the Windows Registry Editor to navigate to the following HKCU\Software\Policies\Microsoft\Office\15.0\common\signin

If the value 'signinoptions' is REG_DWORD = 2, this is not a finding.

Check Content Reference

M

Target Key

4227

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