Unicode includes a render command past which other data can be bundled but not rendered, and exploiting that effectively allows users to create hidden messages within Unicode characters.

Discover how hidden Unicode data, including emojis, is being used to exploit AI systems and what developers can do to mitigate these risks.

The range of characters that can be represented by Unicode is truly bewildering. If there’s a symbol that was ever used to represent a sound or a concept anywhere in the world, chances are ...