What is Steganography? (Or, How Hackers Hide Malware On Websites)

As a child, I loved sending secret messages to my friends using invisible ink. A quick squeeze of lemon juice was all I needed to jot down my secret message. When combined with a simple heat source (I used the heat of the wood stove), the contents of my top secret note were revealed in shades of brown on the paper.

If this sounds familiar to you, then you too have participated in the ancient art of steganography.

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