The macOS system must be configured to disable SMB File Sharing unless it is required.
An XCCDF Rule
Description
File sharing is usually nonessential 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-257185r905188_rule
- Version
- APPL-13-002001
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
Configure the macOS system to disable the SMB File Sharing service with 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.