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Microsoft Presidio TTY: Real-Time Sensitive Data Detection and Anonymization in the CLI

Andrios Robert

• 1 min read

Microsoft Presidio is an open-source tool for detecting, anonymizing, and protecting sensitive data. The TTY interface lets you use it directly in the CLI, fast and scriptable. This is not an API endpoint hidden behind layers—here, it responds to stdin and writes to stdout. That means you can pipe text straight into Presidio, process it on the fly, and integrate it into shell scripts without touching a browser.

Presidio TTY supports Named Entity Recognition (NER) for PII detection. It can find names, credit card numbers, phone numbers, email addresses, and more. It also lets you specify custom recognizers to catch proprietary data formats. You can choose between masking, redacting, or replacing sensitive tokens in a structured way. The CLI arguments give you control over model configuration, output format, and batch processing.

Integration is straightforward. Install Microsoft Presidio CLI tools. Launch the TTY mode. Feed text into it through pipes or redirects. It consumes plain text or JSON and returns sanitized data with minimal latency. This fits well in CI/CD pipelines, data preprocessing jobs, and immediate compliance checks. Because it’s open-source, you can inspect and modify the code to align with internal policies or regulatory requirements.

Security teams and developers often run it as part of a fast chain: load data from a source, run Presidio TTY detect and anonymize steps, save the safe output downstream. Logs remain clean. Sensitive input never gets stored in plain form. This meets GDPR, HIPAA, and other compliance needs while keeping the developer workflow tight.

Speed matters. Presidio in TTY mode avoids the overhead of HTTP calls. It’s Unix philosophy applied to privacy tooling: do one thing, do it well, and chain it into the rest. Use it live, test in seconds, deploy in minutes.

Run Microsoft Presidio TTY now, process your data in real-time, and see it live in minutes with hoop.dev—direct, fast, and built for secure workflows.