# Steganography: A Brief History

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‍‌‌‌​​​‌​‌​​​‌​‌​‌​‌‌​​​​‌‌‌​​​‌​‌​​​​​​​‌​‌​​​‌​​​‌​‌‌​‌‌‌‌​​​‌​‌​​​​​​​‌​‌​​​‌​‌‌‌​​​‌​‌​​‌‌‌​​‌​‌​​‌‌‌‌‌‌​​​‌​‌​​​​​​​‌​‌​​​‌​​​‌​‌‌​‌‌‌‌​​​‌​‌​​​​​​​‌​‌​​​‌​​​‌​‌‌​‌‌‌‌​​​‌​‌​‌​​‌‌​‌​​‌​​​‌​​‌​‌‌‌‌​‌​​‌‌​​​‌​‌‌‌​​​‌​​‌‌‌‌​​‌​‌‌‌‌​‌​‌​‌‌​​‌​‌‌‌​​​‌​​​‌​‌​​‌​‌‌‌‌​‌​‌‌‌​​​‌​‌​​​​​​‌​‌‌‌‌​‌​​‌‌​​​‌​‌‌‌​​​‌​​‌​​‌​​‌​‌‌‌‌​‌​​‌‌‌​​‌​‌‌‌​​​‌​‌‌​​‌​​‌​‌‌‌‌‌‌‌​​​‌​‌​‌​​‌‌​‌​​‌​​‌​​​‌​‌‌​‌‌‌‌​​​‌​‌​​​​​​​‌​‌​​​‌​​​‌​‌‌​‌‌‌‌​​​‌​‌​​​​​​​‌​‌​​​‌​‌‌‌​​​‌​‌​​‌‌‌​​‌​‌​​‌‌‌‌‌‌​​​‌​‌​​​​​​​‌​‌​​​‌​​​‌​‌‌​‌‌‌‌​​​‌​‌​​​​​​​‌​‌​​​‌​‌‌‌​​​‌​‌​​​‌​‌​‌​‌‌​​​‌‍Steganography, from the Greek words *steganos* (covered) and *graphein*
(to write), is the practice of concealing messages within other non-secret data.

## Ancient Origins

The earliest recorded use of steganography dates back to **440 BC**, when
Histiaeus shaved a slave's head, tattooed a message on his scalp, and waited
for the hair to regrow before sending him as a messenger.

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## Digital Era

Modern digital steganography encompasses a wide range of techniques:

| Technique | Medium | Capacity | Stealth |
|-----------|--------|----------|---------|
| LSB Embedding | Images | High | Medium |
| DCT Domain | JPEG | Medium | High |
| Whitespace | Text | Low | High |
| Zero-Width | Text | Low | Very High |
| Audio LSB | Audio | Medium | High |
| Metadata | Any | Low | Medium |

## Tools

**ST3GG (STEGOSAURUS WRECKS)** is an advanced steganography toolkit supporting
15 channel presets, 8 bit depths, and 4 encoding strategies.

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*Generated by STEGOSAURUS WRECKS v3.0*