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V-228588

Google Android 11 must be configured to not allow backup of [all applications, configuration data] to locally connected systems.

Finding ID
GOOG-11-003700
Rule ID
SV-228588r510289_rule
Severity
Cat II
CCE
(None)
Group Title
PP-MDF-301220
CCI
CCI-000097
Target Key
(None)
Documentable
No
Discussion

Data on mobile devices is protected by numerous mechanisms, including user authentication, access control, and cryptography. When the data is backed up to an external system (either locally connected or cloud-based), many if not all of these mechanisms are no longer present. This leaves backed-up data vulnerable to attack. Disabling backup to external systems mitigates this risk. SFR ID: FMT_SMF_EXT.1.1 #40

Fix Text

Configure the Google Android 11 device to disable backup to locally connected systems. NOTE: On Restrictions, the backup features for Google are not in the framework. On the EMM console: 1. Open "Device owner management" section. 2. Toggle "Enable backup service" to Off. 3. Open "User restrictions on parent". 4. Select "Disallow USB file transfer".

Check Content

Review Google Android device configuration settings to determine if the capability to back up to a locally connected system has been disabled. This validation procedure is performed on both the EMM Administration Console and the Android 11 device. On the EMM console, do the following: 1. Open "Device owner management" section. 2. Verify that "Enable backup service" is toggled to Off. 3. Open "User restrictions on parent". 4. Verify that "Disallow USB file transfer" is toggled to On. On the Android 11 device, do the following: 1. Plug a USB cable into Android 11 device and connect to a non-DoD network-managed PC. 2. Go to Settings >> Connected devices >> USB. 3. Ensure "No data transfer" is selected. If the EMM console device policy is not set to disable the capability to back up to a locally connected system or on the Android 11 device, the device policy is not set to disable the capability to back up to a locally connected system, this is a finding.