How does preventing PII leakage from LLM outputs satisfy SOC 2 requirements?

Kastra enforces preventing PII leakage from LLM outputs at the moment of execution and writes a signed evidence record for every response. Auditors get a complete, append-only trail of who attempted what, what policy fired, why the decision was made, and what data was touched. This evidence maps directly to SOC 2, PCI DSS, SOX, FINRA, MiFID II control families.