The correct answer is Security.Encryption technique improves the Security feature.Encryption is the process of encoding information.This process converts the original representation of the information, known as plaintext, into an alternative form known as ciphertext.Ideally, only authorized parties can decipher a ciphertext back to plaintext and access the original information.Encryption does not itself prevent interference but denies the intelligible content to a would-be interceptor.It is used by most software to improve the security of the data or program.Additional InformationA network is a collection of computers, servers, mainframes, network devices, peripherals, or other devices connected to one another to allow the sharing of data. An example of a network is the Internet, which connects millions of people all over the world. Sign up is a phrase referring to the creation of an online account using an e-mail address or a username and password.Authentication is the process of recognizing a users identity. It is the mechanism of associating an incoming request with a set of identifying credentials.