From Apple iOS 11 Security Technical Implementation Guide
Part of PP-MDF-991000
Associated with: CCI-000366
Managed apps have been approved for the handling of DoD-sensitive information. Unmanaged apps are provided for productivity and morale purposes but are not approved to handle DoD-sensitive information. Examples of unmanaged apps include apps for news services, travel guides, maps, and social networking. If a document were to be viewed in a managed app and the user had the ability to open this same document in an unmanaged app, this could lead to the compromise of sensitive DoD data. In some cases, the unmanaged apps are connected to cloud backup or social networks that would permit dissemination of DoD-sensitive information to unauthorized individuals. Not allowing data to be opened within unmanaged apps mitigates the risk of compromising sensitive data.
Review configuration settings to confirm "Allow documents from managed apps in unmanaged apps" is disabled.
This check procedure is performed on both the Apple iOS management tool and the Apple iOS device.
Note: If an organization has multiple configuration profiles, then the check procedure must be performed on the relevant configuration profiles applicable to the scope of the review.
In the iOS management tool, verify "Allow documents from managed apps in unmanaged apps" is unchecked.
Alternatively, verify the text "
Install a configuration profile to prevent non-DoD applications from accessing DoD data.
Lavender hyperlinks in small type off to the right (of CSS
class id, if you view the page source) point to
globally unique URIs for each document and item. Copy the
link location and paste anywhere you need to talk
unambiguously about these things.
You can obtain data about documents and items in other
formats. Simply provide an HTTP header Accept:
text/turtle or
Accept: application/rdf+xml.
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