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The macOS system must be configured to disable SMB File Sharing unless it is required.

An XCCDF Rule

Description

File Sharing is usually non-essential and must be disabled if not required. Enabling any service increases the attack surface for an intruder. By disabling unnecessary services, the attack surface is minimized.

ID
SV-252479r816251_rule
Version
APPL-12-002001
Severity
Medium
References
Updated

Remediation Templates

A Manual Procedure

To disable the SMB File Sharing service, run the following command:

/usr/bin/sudo /bin/launchctl disable system/com.apple.smbd

The system may need to be restarted for the update to take effect.