Under the law on contracts, any service provider has the obligation to protect the confidentiality of the service user's information. Under the decree on Internet Information Management, it is prohibited to access, use, transfer or publish personal confidential information on the internet. Also, under the Law on Intellectual Property, the proprietor of a trade secret a right to prevent trade secret information lawfully in his control from being disclosed to, acquired by, or used by others without their consent in a manner contrary to honest commercial practices. 