This Connection is Not Private

Lately, I have been having issues where whenever I go to a website safari keeps telling me that the connection is not private. Even when I switch to Chrome or even incognito. I tried deleting Safari's cache and history but it still says the same thing, even when I update all my devices up to date.

I feel like this may have something to do with my IP address but I have no idea.

I am starting to get nervous that I am being hacked or something.

Almost every website that's not big like youtube.com, apple.com, and Netflix, Safari still says the connection is not private.

Please Help.