PII redaction

Removing or masking personal data, such as names, emails and ID numbers, before text reaches a model, a log or a third party.

A detector (patterns for emails and numbers, plus a model for names and addresses) replaces personal data with placeholders such as [EMAIL_1], and the mapping stays on your side so answers can be filled back in. It lowers the data sent to model providers and kept in traces. Detection is never complete: names in unusual forms and data in attachments slip through, so it reduces risk rather than removing it.

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Related terms

Zero data retention (ZDR): An arrangement in which an AI provider does not store your prompts and outputs after returning the response, beyond what is needed to serve it.
GDPR: The EU regulation on personal data: lawful basis, minimal data, user rights and breach reporting, for anyone handling EU residents’ data.
Guardrails: Checks around a model that block, fix or flag inputs and outputs that break the rules.

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