PII Exfiltration Prevention

Privacy Filters

An AI agent fetches a customer support ticket. The ticket contains an email address, phone number, and credit card number. See how MPP's protocol-level privacy filters strip every piece of PII before the LLM ever receives the output.

Without MPPPII exposed

Fetch support ticket #99821

Raw output passed to LLM

LLM includes PII in response

PII written to chat history

With MPPPII redacted

Fetch support ticket #99821

Layer 2Privacy filter: email pattern

Layer 2Privacy filter: phone pattern

Layer 2Privacy filter: credit card (Luhn)

Filtered output sent to LLM