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The macOS system must be configured to disable password forwarding for FileVault.


Overview

Finding ID Version Rule ID IA Controls Severity
V-257161 APPL-13-000033 SV-257161r905116_rule Medium
Description
When "FileVault" and Multifactor Authentication are configured on the operating system, a dedicated user must be configured to ensure that the implemented Multifactor Authentication rules are enforced. If a dedicated user is not configured to decrypt the hard disk upon startup, the system will allow a user to bypass Multifactor Authentication rules during initial startup and first login.
STIG Date
Apple macOS 13 (Ventura) Security Technical Implementation Guide 2023-04-12

Details

Check Text ( C-60846r905114_chk )
Verify the macOS system is configured to disable password forwarding with the following command:

/usr/sbin/system_profiler SPConfigurationProfileDataType | /usr/bin/grep "DisableFDEAutoLogin"

DisableFDEAutoLogin = 1;

If "DisableFDEAutoLogin" is not set to a value of "1", this is a finding.
Fix Text (F-60787r905115_fix)
Configure the macOS system to disable password forwarding by installing the "Smart Card Policy" configuration profile.

Note: To ensure continued access to the operating system, consult the supplemental guidance provided with the STIG before applying the "Smart Card Policy".