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V-257244

CAT II (Medium)

The macOS system logon window must be configured to prompt for username and password.

Rule ID

SV-257244r991591_rule

STIG

Apple macOS 13 (Ventura) Security Technical Implementation Guide

Version

V1R5

CCIs

CCI-000366

Discussion

The logon window must be configured to prompt all users for both a username and a password. By default, the system displays a list of known users at the logon screen. This gives an advantage to an attacker with physical access to the system, as the attacker would only have to guess the password for one of the listed accounts.

Check Content

Verify the macOS system is configured to prompt for username and password at the logon window with the following command:

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

SHOWFULLNAME = 1;

If "SHOWFULLNAME" is not set to "1", this is a finding.

Fix Text

Configure the macOS system to prompt for username and password at the logon window by installing the "Login Window Policy" configuration profile.