Question : Best way to protect the back end of a database?

Is there a way to make an entire database read only?  I just want to make sure none of the code or base data can be changed.

Answer : Best way to protect the back end of a database?

Im not an expert on user level security but that is maybe one way you can investigate?

http://office.microsoft.com/en-us/access/HP052578501033.aspx
http://office.microsoft.com/en-us/access/HP030704101033.aspx
http://www.databasedev.co.uk/access_security.html