Microsoft Security Utilities Secret Masker

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library 1.0.0b4 ·python
verified May 20, 2026

Microsoft Security Utilities - Secret Masker (version 1.0.0b4) is a Python library designed for the detection and masking of sensitive data. It provides built-in JSON-formatted detection rules, enabling users to identify and redact secrets using simple symbols or SHA256 hashes. This tool is part of Microsoft's internal security utilities and focuses on preventing secret exposure. It was last released on March 10, 2025, and is actively maintained in a beta state.

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