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V-259573

CAT II (Medium)

The macOS system must ensure secure boot level set to full.

Rule ID

SV-259573r958944_rule

STIG

Apple macOS 14 (Sonoma) Security Technical Implementation Guide

Version

V2R3

CCIs

CCI-002696

Discussion

The Secure Boot security setting must be set to full. Full security is the default Secure Boot setting in macOS. During startup, when Secure Boot is set to full security, the Mac will verify the integrity of the operating system before allowing the operating system to boot. Note: This will only return a proper result on T2 or Apple Silicon Macs. Satisfies: SRG-OS-000445-GPOS-00199,SRG-OS-000446-GPOS-00200,SRG-OS-000447-GPOS-00201

Check Content

Verify the macOS system is configured to ensure secure boot level set to full using the following command:

/usr/libexec/mdmclient QuerySecurityInfo | /usr/bin/grep -c "SecureBootLevel = full"

If the result is not "1", this is a finding.

Fix Text

Configure the macOS system to ensure secure boot level set to full by booting into Recovery Mode and enable Full Secure Boot.