STIGQter: STIG Summary: Google Android 11 COBO Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 11 Sep 2020:

Google Android 11 must be configured to display the DoD advisory warning message at start-up or each time the user unlocks the device.

DISA Rule

SV-228586r510289_rule

Vulnerability Number

V-228586

Group Title

PP-MDF-301200

Rule Version

GOOG-11-003400

Severity

CAT III

CCI(s)

• CCI-000048 - The information system displays an organization-defined system use notification message or banner before granting access to the system that provides privacy and security notices consistent with applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance.

Weight

10

Fix Recommendation

Configure the DoD warning banner by either of the following methods (required text is found in the Vulnerability Discussion):

1. By placing the DoD warning banner text in the user agreement signed by each Google Android 11 device user (preferred method).
2. By configuring the warning banner text on the EMM console and installing the banner on each managed mobile device.

On the EMM Console:
1. Open "Lock screen restrictions".
2. Select "Personal Profile".
3. Select "Lock screen message".
4. Enter in message.

Check Contents

The DoD warning banner can be displayed by either of the following methods (required text is found in the Vulnerability Discussion):

1. By placing the DoD warning banner text in the user agreement signed by each Google Android device user (preferred method).
2. By configuring the warning banner text on the EMM console and installing the banner on each managed mobile device.

Determine which method is used at the Google Android device site and follow the appropriate validation procedure below.

Validation Procedure for Method #1:
Review the signed user agreements for several Google Android device users and verify the agreement includes the required DoD warning banner text.

Validation Procedure for Method #2:
On the EMM Console:
1. Open "Lock screen restrictions".
2. Select "Personal Profile".
3. Select "Lock screen message".
4. Verify message.

If, for Method #1, the required warning banner text is not on all signed user agreements reviewed, or for Method #2, the EMM console device policy is not set to display a warning banner with the appropriate designated wording or on the Android 11 device, the device policy is not set to display a warning banner with the appropriate designated wording, this is a finding.

Vulnerability Number

V-228586

Documentable

False

Rule Version

GOOG-11-003400

Severity Override Guidance

The DoD warning banner can be displayed by either of the following methods (required text is found in the Vulnerability Discussion):

1. By placing the DoD warning banner text in the user agreement signed by each Google Android device user (preferred method).
2. By configuring the warning banner text on the EMM console and installing the banner on each managed mobile device.

Determine which method is used at the Google Android device site and follow the appropriate validation procedure below.

Validation Procedure for Method #1:
Review the signed user agreements for several Google Android device users and verify the agreement includes the required DoD warning banner text.

Validation Procedure for Method #2:
On the EMM Console:
1. Open "Lock screen restrictions".
2. Select "Personal Profile".
3. Select "Lock screen message".
4. Verify message.

If, for Method #1, the required warning banner text is not on all signed user agreements reviewed, or for Method #2, the EMM console device policy is not set to display a warning banner with the appropriate designated wording or on the Android 11 device, the device policy is not set to display a warning banner with the appropriate designated wording, this is a finding.

Check Content Reference

M

Target Key

4228

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