TMA-IOS-3.2.1.21
Ensure "Allow documents from unmanaged sources in managed destinations" is set to "Disabled"
Description
This recommendation pertains to Apple's managed application implementation. The terms "managed" and "unmanaged" refer to application classifications made through Managed Open In, a feature introduced in iOS 7. Managed Open In provides for data containerization. Institutionally-provisioned applications are designated as managed. Applications elected by the end user are designated as unmanaged. Profile: Level 1 - Institutionally-Owned Devices.
How it is checked
Audit method: Manual review
This recommendation cannot be checked automatically. A scan lists it with these instructions when you pass --include-manual.
From the Configuration Profile: Apple Configurator > Configuration Profile > Restrictions tab > verify that under the tab Functionality, the checkbox for Allow documents from unmanaged sources in managed destinations is unchecked. Or, from the device: Settings > General > VPN & Device Management > <_Profile Name_> > Restrictions > Confirm Opening documents from unmanaged to managed apps not allowed is displayed.
How it is fixed
Fix method: Guidance or infrastructure patch
Apple Configurator > Configuration Profile > Restrictions tab > under the tab Functionality, uncheck the checkbox for Allow documents from unmanaged sources in managed destinations > Deploy the Configuration Profile.
Properties
- Operating systems
- Any
- Tags
- iosinstitutionally-owned
- Reference
- CIS Apple iOS 26 Benchmark v1.0.0 - 3.2.1.21 Ensure "Allow documents from unmanaged sources in managed destinations" is set to "Disabled"