Welcome to the forums.
What makes you say that your phone has been 'tapped'? What's happening?
First off, put a password on your device. One that isn't easy to guess and has a mix of numbers and letters. Then go change your email password and also go to the Verizon website and change both the logon password there and update your password for your email account.
No longer a BES Admin, but it was fun while it lasted!