How do I fix Weak Security (WPA)? I believe it's slowing down my connection. Please advise. Thanks.
How do I fix a Weak Security (WPA)?
MacBook Air 13″, macOS 13.0
That has nothing to do with speed. you need to either change the settings on your router or contact your internet service provider to replace your router with a newer model that allows better security settings.
Recommended settings for Wi-Fi routers and access points - Apple Support