Encryption is also considered as a safe way for data security. There are encoding and decoding keys used to transform the particular message to a different form and later the same message at the end of the receiver gets decoded by the decoding keys. However, while the data is being exchanged and in the case there is any risk, it cannot decode the data and hence the data remains completely safe during the exchange. There are primarily two systems which are endpoint encryption and email encryption. In the endpoint encryption the data exchange through USBs, files and PCs is protected while in the email encryption the emails which is the primary source of data exchange is protected.