http://o54hon2e2vj6c7m3aqqu6uyece65by3vgoxxhlqlsvkmacw6a7m7kiad.onion/en/blog/2019/6/28/secure-wifi-happy-lifi
However, if you use a VPN all your internet traffic is encrypted and you are protected from being spied on, protected from all other users on that local WiFi and also the WiFi service provider. You also mask what site(s) you are visiting. You will most certainly be more secure. Clothed with both belt and suspenders from online threats. Now that eavesdropper needs to be in the same room as you, IRL and they would be revealed to you in a split second.