STIGQter: STIG Summary: Apple macOS 15 (Sequoia) Security Technical Implementation Guide Version: 1 Release: 7 Benchmark Date: 01 Apr 2026:

The macOS system must enforce multifactor authentication for the su command.

DISA Rule

SV-268545r1034575_rule

Vulnerability Number

V-268545

Group Title

SRG-OS-000105-GPOS-00052

Rule Version

APPL-15-003051

Severity

CAT II

CCI(s)

CCI-000765 - Implement multifactor authentication for network access to privileged accounts.
CCI-000766 - Implement multifactor authentication for network access to non-privileged accounts.
CCI-001941 - Implement replay-resistant authentication mechanisms for access to privileged accounts and/or non-privileged accounts.
CCI-004047 - Implement multi-factor authentication for local; network; and/or remote access to privileged accounts; and/or non-privileged accounts such that the device meets organization-defined strength of mechanism requirements.

Weight

Fix Recommendation

Configure the macOS system to enforce multifactor authentication for the su command with the following commands:

/bin/cat > /etc/pam.d/su << SU_END
# su: auth account password session
auth sufficient pam_smartcard.so
auth required pam_rootok.so
auth required pam_group.so no_warn group=admin,wheel ruser root_only fail_safe
account required pam_permit.so
account required pam_opendirectory.so no_check_shell
password required pam_opendirectory.so
session required pam_launchd.so
SU_END

# Fix new file ownership and permissions
/bin/chmod 644 /etc/pam.d/su
/usr/sbin/chown root:wheel /etc/pam.d/su

Check Contents

Verify the macOS system is configured to enforce multifactor authentication for the su command with the following command:

/usr/bin/grep -Ec '^(auth\s+sufficient\s+pam_smartcard.so|auth\s+required\s+pam_rootok.so)' /etc/pam.d/su

If the result is not "2", this is a finding.

Vulnerability Number

V-268545

Documentable

False

Rule Version

APPL-15-003051

Severity Override Guidance

Check Content Reference

Target Key

5661