Learn about the process of transforming information in a way that only authorized parties can decode, and the history and types of encryption techniques. Explore the modern uses of encryption in cryptography, security and commerce. Encryption is a security method that scrambles data so it is only read by using a key. Learn more about encryption and its importance. Learn what encryption is, how it works, and why it is important for data security. Explore different types of encryption algorithms, such as symmetric, asymmetric, and public key cryptography. The meaning of ENCRYPT is encipher. How to use encrypt in a sentence.