You can use your smartphone or computer to check your security type. It is fast and easy.
Check encryption type
On Windows 10
On Windows 10, find and click the Wi-Fi icon on the taskbar. Click Properties of the Wi-Fi network you are connected to. Scroll down the network settings and locate Properties. Under Properties, find security type.
Or select the Start button, go to Settings > Network & Internet > Wi-Fi, then scroll down to the Properties section and look for Security type.
1. Open your phone’s Settings app.
2. Go to the WLAN settings.
3. Find the router’s network name you are connected to.
4. Tap the name or info button to view the security type.
Unfortunately, there’s no chance within iOS to check your Wi-Fi security. To check your Wi-Fi's security level, you’d better utilize a computer or access the web management page of your Wi-Fi devices.