Steganography is the art of concealing messages in plain sight. Read about invisible inks, the Cardano Grille, the use of microdots in WWI, and the butterfly maps of Lord Baden-Powell.
Cryptology is the art and science of secret communication, and its purpose is to protect precious information and keep people safe. Learn about its building blocks: ciphers, codes, and keys.
As our time spent online increases, our need for strong encryption to keep our data safe also increases. Learn about mathematics that are the basis of encryption, plus cyberattacks, digital currency, and cryptocurrency.
Read about the historical code makers and breakers who protected their countries by coding and decoding messages for their governments, and the modern cryptologists who keep emails, texts, and online purchases secure.
"Cryptology was key to the success of the Battle of Iwo Jima during World War II. Learn more is this introduction the Navajo and why and how their language was well-suited to being used for coded messages"--Provided by publisher.
