# Cross-domain: sensitive-data leak guard on LLM prompts

Judges: one prompt about to be sent to an external LLM. Questions: noul:contains\_client\_confidential - ...; noul:contains\_regulated\_personal\_data - .... Action: Block or redact.

Grade: S — Top tier. Meets A, and the payoff is major with high confidence.. Score: 5.64.

Vertical: Cross-industry.

Function: Agents & dev.

Status: Idea.

Volume: high.

Value: major.

Risk: high.

Evidence: null.

Flags: human-review.

- [Vertical](/verticals/cross_industry/)
- [Function](/functions/agents_dev/)
- [Security alert categorization system](/use-cases/security-alert-categorization-system/)
- [Phishing triage](/use-cases/phishing-triage/)
- [Keystroke-level sensitive-text guard](/use-cases/keystroke-level-sensitive-text-guard/)
- [Confidential message detector](/use-cases/confidential-message-detector/)
- [PII in free text](/use-cases/pii-in-free-text/)
- [Query intent for governance](/use-cases/query-intent-for-governance/)