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Passcode maximum failed attempts must be set to required value.


Finding ID Version Rule ID IA Controls Severity
V-25011 WIR-MOS-iOS-G-017 SV-30796r2_rule IAIA-1 Medium
A hacker with unlimited attempts can determine the password of an iOS device within a few minutes using password hacking tools, which could lead to unauthorized access to the iOS device and exposure to sensitive DoD data.
Apple iOS 5 Security Technical Implementation Guide (STIG) 2012-07-20


Check Text ( C-31214r4_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 “Maximum failed attempts” is checked and set to 10 or less.

Mark as a finding if configuration is not set as required.
Fix Text (F-27662r1_fix)
Set password/passcode maximum failed attempts to required value.