Ensure Guest Access to Shared Folders Is Disabled

How it is checked

Audit method: Shell command

out=$(/usr/sbin/sysadminctl -smbGuestAccess status 2>&1) || exit 1
printf '%s\n' "$out" | /usr/bin/grep -q "SMB guest access disabled" && echo compliant

Expected output

compliant

How it is fixed

Fix method: Guidance or infrastructure patch

Terminal: sudo /usr/sbin/sysadminctl -smbGuestAccess off. GUI: System Settings > Users & Groups > i next to the Guest User > Set Allow guests to connect to shared folders to disabled.

Check this host

Run this on a machine you are allowed to audit. The scan is read-only.

tmaegis scan --target macos