delete whatsapp and get yourself Signal. Go from corporate owned to non-profit, as well as closed-source to open-source. Be ok with being data mined if you're stubborn.
get yourself a VPN. I like Proton VPN and it's free.
get yourself a new internet browser and search engine. I like Brave and for the crypto guys/gals check out presearch
Give Big Tech the middle finger they deserve
disclosure: I am not paid in any way by any of these companies. In no way am I financially incentivized for these opinions. As always do your own research - confirm on your own, trust no one (including me)