A court employee in Connecticut noticed some odd whitespace in a legal filing. That's it. That's the entire detection mechanism that stood between a working prompt injection attack and whatever AI system might have touched that document next.
Source: [Dev.to](https://dev.to/coridev/a-litigant-hid-white-text-prompt-injection-in-a-court-filing-a-human-caught-it-not-an-ai-31gp)