Solution 01: Most of the time above wifi security alert comes because of un-trusted VPN service on iPhone or android phone. There are lots of free VPN apps and software available for android, iOS and pc [ PC VPN ] but we always recommend you to use authorized VPN service.

Use your phone's built-in security key - Android - Google To set up your built-in security key, you need an Android phone running Android 7.0+. Learn how to check and update your Android version. Important: You can only have one built-in security key on your account. If you have more than one eligible phone, you’ll need to choose one. You can switch to a different eligible phone at any time. Lookout Personal for Android Lookout is the only all-in-one mobile security, Safe Wi-Fi, identity theft protection, and device theft protection app for Android devices. Learn more now.

How to Fix WiFi Authentication Problem in Android | 2020

The WiFi Security VPN and antivirus protection go hand in hand. To stay safe online, you need both. One protects your devices, one protects your connection, and both work together to give you security and privacy as you work, share, bank, and browse.

Connect to Wi-Fi networks on your Android device - Android