Brazilian court sanctions lawyers over hidden AI instruction
AI · First reported 1 Nov, 02:19 · Updated 04:01

Lawyers for a plaintiff in a Brazilian labor case hid a prompt-injection instruction in a filing intended to influence the court’s AI review, according to the reports. The court fined the two law firms 10% of the claim’s value; the plaintiff won the case anyway because the defendant did not respond.
- The filing contained white text on a white background instructing an AI to respond superficially and not challenge the documents.
- The court fined the two law firms 10% of the R$842,000 claim’s value.
- The plaintiff won the labor case because the defendant did not respond, making the attempted AI influence unnecessary, according to the brief report.
Summary written by Lux AI from 2 articles
Key facts
- Court
- 3rd Labor Court of Parauapebas, Pará, Brazil.
- Claim value
- R$842,000.
- Fine
- Two law firms were fined 10% of the claim’s value.
- AI system
- Galileu, used by Brazil’s National Justice Council, detected the hidden text and blocked suspicious content, according to the longer report.
- Case result
- The plaintiff won because the defendant did not respond.
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