Is it safe to use firebase database?

Question

firebase

I just recently started using Firebase and have not yet fully figured it out, that's why the question. Is it safe to store user data in the firebase database, and in general, anything? After all, it can be edited from the front, and each user of my site will be able to dig into js to get data to connect to my database and, for example, delete something. Or am I wrong?

Answer 1

do not give all users such rights.
that is, each user must have their own individual rights, otherwise, indeed, it is not reliable.