Just two keys…

Network Services…
Vulnerability - NetBIOS not needed and unnecessarily advertising on the network.

  • Open Terminal and switch to an account with Admin privileges.
  • Run the following command: sudo launchctl list | egrep netbios
  • If “com.apple.netbiosd” is retuned follow the mitigation steps.

Mitigation - Turn NetBIOS off.

  • Run: sudo -s launchctl unload -w /System/Library/LaunchDaemons/com.apple.netbiosd.plist

Note - If NetBIOS is needed turn it back on…

  • Run: sudo -s launchctl load -w /System/Library/LaunchDaemons/com.apple.netbiosd.plist

Vulnerability - .
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Mitigation - .

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