Ancient Secrets and Modern Codes: How Hidden Messages Inspired Today’s Digital Security
Long before digital encryption, people used clever tricks to keep their messages secret. From Julius Caesar’s simple letter shifts to monks hiding codes in poems, ancient ciphers scrambled words like costumes at a secret party. Meanwhile, steganography hid messages in plain sight—on wax tablets, shaved heads, or invisible ink—so only the right eyes could find them. These historic techniques laid the groundwork for today’s computer security, reminding us that protecting information is a timeless blend of math, creativity, and human smarts.
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