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Samsung Android Workspace must be configured to not display the following notifications when the device is locked: all notifications.


Overview

Finding ID Version Rule ID IA Controls Severity
V-93767 KNOX-09-000300 SV-103853r1_rule Medium
Description
Many mobile devices display notifications on the lock screen so that users can obtain relevant information in a timely manner without having to frequently unlock the phone to determine if there are new notifications. However, in many cases, these notifications can contain sensitive information. When they are available on the lock screen, an adversary can see them merely by being in close physical proximity to the device. Configuring the mobile operating system to redact the contents of the notifications when the device is locked mitigates this risk. SFR ID: FMT_SMF_EXT.1.1 #19
STIG Date
Samsung Android OS 9 with Knox 3.x COPE Use Case KPE(AE) Deployment Security Technical Implementation Guide 2020-02-24

Details

Check Text ( C-93085r1_chk )
Review the Samsung Android Workspace configuration settings to confirm that the content of Workspace notifications is redacted when the device is locked.

This procedure is performed on both the MDM console and the Samsung Android device.

On the MDM console, for the Workspace, in the "Android lock screen restrictions" group, verify that "disable unredacted notification" is selected.

On the Samsung Android device, do the following:
1. Open Settings.
2. Tap "Workspace".
3. Tap "Notification and data".
4. Verify that "Show notification content" is disabled.

If on the MDM console "disable unredacted notifications" is not selected, or on the Samsung Android device "Show notification content" is not disabled, this is a finding.
Fix Text (F-100013r1_fix)
Configure Samsung Android Workspace to redact the content of Workspace notifications when the device is locked.

On the MDM console, for the Workspace, in the "Android lock screen restrictions" group, select "disable unredacted notifications".