we do not share your data with anyone and there are many ways to control the visibility and storage life of your data here.
but the internet is a public space and you should always assume your data could be compromised.
be smart with your password, use tor or a vpn, and use pgp for sensitive communications.
I had 14 tracked my last batch all go missing at Christmas which had to re send felt bad for customer waiting for new years smoke and didnt get it. Sorted now→