This is also the first thought I had. I checked, the obs-websocket plugin allows to set a password: > It is highly recommended to protect obs-websocket with a

This is also the first thought I had. I checked, the obs-websocket plugin allows to set a password: > It is highly recommended to protect obs-websocket with a password against unauthorized control. To do this, open the "Websocket server settings" dialog under OBS' "Tools" menu. In the settings dialogs, you can enable or disable authentication and set a password for it. (from https://github.com/Palakis/obs-websocket https://github.com/Palakis/obs-websocket).