Encipher Posted on December 26, 2019May 8, 2020 by Ty Mezquita Encipher is to convert plaintext to ciphertext by means of a cryptographic system. This process is done to keep important information safe and only deciphered with the proper key. Synonyms: Encode, Encrypt Source: CNSSI 4009 If you would like to learn more about this topic, watch this short video: Share this on your social networks. Help Friends, Family, and Colleagues become more aware and secure.