I found the TP-Link Cloud Function. It is under BASIC rather than Advanced setup. However, it is turned off.

@Philbert Thanks for the post. However, to the best of my knowledge, there is no such thing as Router Cloud on these units. I have gone through every option I can find and see nothing like that or...

I have recently installed a pihole to control the DNS queries through our network. It has revealed some interesting things. One of them is that every 10 to 15 seconds, all of my TP-Link WiFi routers...