Plaintiff hid invisible AI instructions in court filings to secretly influence automated review
A plaintiff tried to slip invisible AI prompts into court filings. The judge called it jury tampering and revoked their filing rights.
Why it matters
As AI review systems become plausible in legal workflows, adversaries are already probing defenses. This case shows courts recognizing prompt injection as a serious threat — and courts are moving faster than technologists expected to criminalize it.
The key facts
5 to knowPlaintiff embedded white-on-white 3-point text prompt injections in Connecticut court filings
Intent was to manipulate AI review systems (even though Connecticut doesn't currently use them)
Judge Spader revoked plaintiff's electronic filing privileges
Court compared the attack to jury tampering
Sanctions imposed on intent alone, not actual system compromise
Go to the source
The Decoderthe-decoder.com
Publisher excerpt: A plaintiff in Connecticut embedded invisible prompt injections in court filings, formatted in 3-point white text on a white background, to manipulate a potential AI review system. Judge Spader compared the attempt to secretly tampering with a jury and revoked the plaintiff's electronic filing…