Data security is an essential part of an organization; it can be achieved by the using various methods. That to maintain and upgrade the model still efforts are required and increase the marginally overheads. The encrypted data is safe for some time but never think it is permanently safe. Information security is the process of protecting information. It protects its availability, privacy and integrity. Access to stored information on computer databases has increased greatly. More companies store business and individual information on computer than ever before. Much of the information stored is highly confidential and not for public viewing. In this paper, the authors have Study about information security using cryptography technique.