What
Internet sharing allows sharing connection with other computers on your local network. For example, if your Mac is connected to the internet using Ethernet, you can share that connection to other computers over Wi-Fi.
Why you should disable it
Unless required for short periods, it should be disabled as it reduces the remote attack surface of the system.
Time to fix
<1 minute
How to fix
- Open System Preferences, click Sharing.
- Click the lock icon in the bottom-left, then enter the account password.
- In the list on the left, uncheck Internet Sharing.
