Latest Apple update 14.0
Since downloading the latest update on both my iPads, I have the message of ‘weak security’ next to my WiFi provider.
is this something to be concerned about?
iPad mini 4, iPadOS 14
Your iPad is no less secure today than it was prior to the update to iPadOS14. However, your iPad is now better able to [warn] bring to your attention security deficiencies of your WiFi network and iPad settings - as it now has more advanced capabilities in context of identifying and alerting you to potential network security issues.
This support page will describe the more secure (recommended) settings for WiFi:
Recommended settings for Wi-Fi routers and access points – Apple Support
It is possible that your WiFi Router is too old to be (or not capable of being) configured for more secure settings. As such, you can either configure the most secure settings that your Router will support - or replace your Router with something more advanced that provides better security configuration options.
Where possible, you should configure and the more secure WiFi security protocols (WPA2 and WPA3).