How to disable WebRTC in Safari
Step 1: Click the Safari menu and navigate to Preferences in the drop-down menu.
Step 2: Proceed to the Advanced tab and check the box that reads Show Develop menu in the menu bar.
Step 3: Find the Develop tab in the menu bar and navigate to the WebRTC option in the drop-down menu. In case Enable Legacy WebRTC API is checked, click it to disable it.