From Samsung Android OS 8 with Knox 3.x COPE Use Case Security Technical Implementation Guide
Part of PP-MDF-301170
Associated with: CCI-000381
Developer modes expose features of the Samsung Android 8 with Knox that are not available during standard operation. An adversary may leverage a vulnerability inherent in a developer mode to compromise the confidentiality, integrity, and availability of DoD sensitive information. Disabling developer modes mitigates this risk.
Review Samsung Android 8 with Knox configuration settings to determine whether a developer mode is enabled. This validation procedure is performed on both the MDM Administration Console and the Samsung Android 8 with Knox device. On the MDM console, do the following: 1. Ask the MDM Administrator to display the "Allow Developer Mode" check box in the "Android Restrictions" rule. 2. Verify the check box is not selected. On the Samsung Android 8 with Knox device, do the following: 1. Open the device settings. 2. Select "Developer options". (**) 3. Attempt to enable "Developer options". If the MDM console "Allow Developer Mode" check box is selected or on the Samsung Android 8 with Knox device, "Developer options" can be enabled by the user, this is a finding. Note: The "Developer Modes" configuration setting may not be available in older MDM consoles. Disabling USB Debugging and Mock Locations also disables Developer modes on the mobile device. (**) "Developer options" is initially hidden to users. To unhide this menu item: 1. Open the device settings. 2. Select "About device". 3. Select "Software info". (Note: On some devices, this step is not needed.) 4. Rapidly tap on "Build number" multiple times until the device displays the Developer Options menu item.
Configure the Samsung Android 8 with Knox to disable developer modes. On the MDM console, deselect the "Allow Developer Mode" check box in the "Android Restrictions" rule.
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