Microsoft-originating PII redaction tool Presidio moves to independent Data Privacy Stack

Presidio, an open-source framework for detecting and redacting Personally Identifiable Information (PII), has transitioned from Microsoft to the independent Data Privacy Stack organization. The tool offers two core text modules: presidio-analyzer, which identifies PII using regex patterns and NLP engines like SpaCy, and presidio-anonymizer, which replaces, masks, or encrypts the identified data. This allows sensitive information to be cleaned before being sent to LLMs or logged, enhancing data privacy. The latest release, version 2.2.366, requires Python 3.11 to 3.14. AI

IMPACT Enhances data privacy for LLM applications by enabling PII redaction before data submission.

RANK_REASON The item describes an open-source tool for PII detection and anonymization, including its transition to a new maintainer and technical details.

Read on dev.to — LLM tag →

• Data Privacy Stack
• Docker
• Microsoft
• Pii
• Presidio
• presidio-analyzer
• presidio-anonymizer
• Python
• SpaCy
• Stanza Nlp Library
• transformers

• product
• other

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