We all have the right to privacy and once it is violated, we have all the right to file lawsuit. No bank, credit card company or any credit reporting company or any institution where we have our personal and credit information stored have the right to share or even sell these info to marketing companies.
TransUnion, a credit reporting company faced enormous cases in the US bec. they are found to have sold credit information to marketing companies which is totally illegal and direct violation of Federal Credit Reporting Act in the US. Those that have been affected with credits between 1987 and 2000 can file TransUnion Lawsuit in court.