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.
Delivery is safe but logistics for this one is not a French specialty. I would take delivery in your hotel for a small amount of something delivered within the EU like Mr Coffee.→