How people protected their data before the internet

How people protected their data before the internet How people protected their data before the internet

Data protection practices came into play long before the digital age. As early as World War II, the Enigma machine was invented, while Thomas Jefferson pioneered the cipher wheel, which involved lining up 1,000 letters perfectly. Prior to this, Ancient Egyptians would use cryptography such as hieroglyphics to communicate privately, while Greek tyrant Histiaeus would inscribe messages on his slaves’ heads.
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