Bank is aninstution that is trusted by people to save their found and all information about their financial matter in order to get the save and the secrery would be guaranteed. In Banking Law No 10 year 1998, the information about the custemer within their position as debtor is not obliged to be kept as secrery It means these's no criminal violation to a bank which is opened debtor's information to any one and public's besiness. The other hand the relationship between debtor and bank is a contractual relation, meaning both debtor and bank;s right and obligation are set in a contractual agreement including about the debtor's information that must be as a secrery.