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Tom’s Hardware
Tom’s Hardware
Technology
Jowi Morales

Plaintiff busted trying to use AI prompt injection to win court case, hides text instruction in filing — demands AI model reviewing the text should side with him, rumbled because of strange white spaces in text

AI courts.

An individual named Matthew Elliot inserted AI prompt injections in two of their filings for a case they filed against the New York Bariatric Group. According to 404 Media, Elliot added white text using a tiny font size under the heading of their pleading and before the first paragraph. The only reason the “plot” was discovered was that a court worker noticed that the spacing on two of their latest filings didn’t match the spacing in other documents they’d previously submitted, revealing text designed to be invisible to humans but readable by machines.

The AI injection prompt reads:

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