Welcome to the Forums. A search using just the word "privacy" brought up numerous finds. A few are below. This is a topic that has been beat to death. I would suggest that a search will yield some good information.
http://www.blackberryforums.com/gene...y-privacy.html
http://www.blackberryforums.com/bes-...ed-logged.html
http://www.blackberryforums.com/gene...s-privacy.html
Good luck