Code Secret is a system of symbols, letters, words, or signals that are used instead of ordinary words and numbers to send messages or store information. Code Secret is used to keep the message short or to keep it secret.
 
Code Secret are forms of secret communication that replaces words, phrases, or sentences with groups of letters or numbers. The Technology of secret communication is called cryptology that used by the governments, military, businesses, and organizations to protect their messages. Today, encryption is used to protect storage of data and transactions between computers.