Since the dawn of civilization, humans have sought ways to protect their communication. Throughout history, they have developed sophisticated codes and cyphers to secure sensitive information, especially in relation to military communications. For centuries, encryption has been used to protect nations’ secrets from foreign powers.

Today, encryption is still a vital tool for protecting communication. In fact, its importance has increased exponentially with the advent of digital technology and the internet. Because of this, many documentaries have been created that delve into this fascinating subject matter.

One such documentary is “The Secret History of Encryption”. This highly-informative film documents the development of encryption from its earliest beginnings up until modern times. It covers many interesting topics such as: how ancient civilizations used code