My WiFi shows as unprotected

Check your WiFi Router / Modem for --> Recommended settings for Wi-Fi routers and access points ...

Consider more secure wifi configuration.

Change your router’s WiFi to use WPA2-AES (CCMP) with no WPA or TKIP. Updating this setting ensures that your devices always connect in one encryption mode

1. TKIP is obsolete and not considered secure. Choose WPA2, the latest encryption standard, with AES encryption for optimal security
2. If your router doesn’t specify TKIP or AES, the WPA2 option probably uses AES

See the pics below

SravanKrA wrote:

Consider more secure wifi configuration.1.

Change your router’s WiFi to use WPA2-AES (CCMP) with no WPA or TKIP. Updating this setting ensures that your devices always connect in one encryption mode

TKIP is obsolete and not considered secure. Choose WPA2, the latest encryption standard, with AES encryption for optimal security

2. If your router doesn’t specify TKIP or AES, the WPA2 option probably uses AES

These days, there's WPA3.

https://www.howtogeek.com/339765/what-is-wpa3-and-when-will-i-get-it-on-my-wi-fi/

But yes, WEP with static encryption keys is very easily broken. TKIP was introduced to have something stronger than WEP that didn't instantly break all of the network equipment vendor's hardware. (A lot of the hardware that was shipping around the time TKIP came out couldn't handle AES encryption.)

AES of some form is what you want.

Make sure that the WiFi network you are connecting to is not the one called "xfinitywifi". This is not the Wifi network that was set up with your router and is Xfinity's public wifi network available to all of their customers that is not a protected network.

If your WiFi router is set up so that it allows anyone to connect without providing a password, you need to change the settings on the router.

You need to know your router's IP address and password. A lot of routers have internal IP addresses allocated in the private address range 192.168.*.* – 192.168.0.1 is typical. The password is something you'd need to get from xfinity or from the router's user manual. (If you own the router and it is using a default password, especially one such as "password", you may want to change that password as well as setting up WiFi security.)

Note that if you're using WiFi to connect the router whose settings you are changing, and you mess up changes, there is a risk of locking yourself out. (Even just turning on security might force you off WiFi right then and there, forcing you to rejoin with the new password to continue, so be ready for that.)

https://www.lifewire.com/accessing-your-router-at-home-818205

This support document indicates, among other things, which Apple devices support WPA3. If you're using a device that doesn't support WPA3, you wouldn't want to enable WPA3-only security on your WiFi router, even if the router offered it.

Secure access to wireless networks - Apple Support