Mobile device screen capture must not be allowed.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-25015	WIR-MOS-iOS-G-022	SV-30801r2_rule	ECWN-1	Medium

Description
Sensitive data, including FOUO data displayed on the screen, could be saved in unsecure memory on the device.

STIG	Date
Apple iOS 5 Security Technical Implementation Guide (STIG)	2012-07-20

Details

Check Text ( C-31219r4_chk )
This is an iOS security policy set check. Recommend that all checks related to iOS security policy set rules be reviewed using the following procedure. 1. Make a list of all iOS security policies listed on the MDM server that have been assigned to iOS devices and review each policy using the following procedure: -Have the SA identify STIG compliant and non-compliant policies on the server. --Log into the MDM server console. --Click on the Policies tab. --View all iOS security policies on the server. -Note: STIG-compliant policy sets should be identified as such in the policy title. An example is STIG_iOS_Policy_Set. It is recommended that all non-STIG/ISCG policy sets be deleted. 2. Select each iOS security policy iOS devices are assigned to, and in turn, verify the required settings are in the policy set. -Note: If there is a finding, note the name of the non STIG/ISCG-compliant policy set in the Findings Details section in VMS/Component Provided Tracking Database. -Launch the MDM console and click on the Policies tab. -Select the iOS security policy. -Verify “Allow screen capture” is unchecked. Mark as a finding if not set as required.

Check Text ( C-31219r4_chk )

This is an iOS security policy set check. Recommend that all checks related to iOS security policy set rules be reviewed using the following procedure.

1. Make a list of all iOS security policies listed on the MDM server that have been assigned to iOS devices and review each policy using the following procedure:
-Have the SA identify STIG compliant and non-compliant policies on the server.
--Log into the MDM server console.
--Click on the Policies tab.
--View all iOS security policies on the server.
-Note: STIG-compliant policy sets should be identified as such in the policy title. An example is STIG_iOS_Policy_Set. It is recommended that all non-STIG/ISCG policy sets be deleted.

2. Select each iOS security policy iOS devices are assigned to, and in turn, verify the required settings are in the policy set.
-Note: If there is a finding, note the name of the non STIG/ISCG-compliant policy set in the Findings Details section in VMS/Component Provided Tracking Database.
-Launch the MDM console and click on the Policies tab.
-Select the iOS security policy.
-Verify “Allow screen capture” is unchecked.

Mark as a finding if not set as required.

Fix Text (F-27666r1_fix)
Do not allow iPhone screen capture.