I have a 4th generation Apple TV and I live in an apartment block, so I have very nearby neighbours.
While I was watching a video, it was interrupted by the 4 digit confirmation screen of a new connection (Ryan's iPhone) flashing up.
I don't know Ryan, and I don't appreciate him interrupting my viewing.
I've checked my Wi-Fi router's status and it indicates that Ryan's iPhone is not connected to my WLAN. I presume that this was an attempt to connect via Bluetooth.
How do I prevent this from happening again and only allow connections from previously authorised devices?