TMAegis
More rules for macos

TMA-MACOS-2.3.3.2

Ensure File Sharing Is Disabled

HighLevel 1Automatedmacos

Description

File sharing from a user workstation creates additional risks, such as: • Open ports are created that can be probed and attacked • Passwords are attached to user accounts for access that may be exposed and endanger other parts of the organizational environment, including directory accounts • Increased complexity makes security more difficult and may expose additional attack vectors Apple's File Sharing uses the...

How it is checked

Audit method: Shell command

shell
out=$(/bin/launchctl list 2>/dev/null) || exit 1
printf '%s\n' "$out" | /usr/bin/grep -c 'com.apple.smbd' || true
Expected output
0

How it is fixed

Fix method: Guidance or infrastructure patch

Terminal: sudo /bin/launchctl disable system/com.apple.smbd ; sudo /bin/launchctl bootout system/com.apple.smbd. GUI: System Settings > General > Sharing > Set File Sharing to disabled.

Properties

Operating systems
macos-26
Tags
macossystem-settings
Reference
CIS Apple macOS 26 Tahoe Benchmark v1.1.0 - 2.3.3.2 Ensure File Sharing Is Disabled

Check this host

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

shell
tmaegis scan --target macos