Adult Website Flash Video Chat - Needs Security Fix

We have current functioning adult web site bult in action script 2 . Yesterday there was a failed hack but fake member still able to to pass through the flash. We need the flash app should connect to the database and check if user exists if he exists it should get amount of his money from database instead of getting them through params passed to flash app You must be MySql - flash as2 Expert, Adobe Flash Professionl Expert, and must understand the complet scope of this project.