anonym.legal vs Microsoft Purview
Microsoft Purview DSPM is an enterprise data security posture management solution that discovers, protects, and investigates sensitive data risks across Microsoft environments including AI apps and agents. anonym.legal is a PII anonymization platform with reversible encryption, 285+ entity types, and user-level tools for transforming data before sharing with AI.
Feature Comparison
| Feature | anonym.legal | Microsoft Purview |
|---|---|---|
| PII Detection | Yes | Check |
| PII Redaction/Anonymization | Yes | Not found |
| Reversible Encryption | AES-256-GCM | Not found |
| Entity Types | 285+ | Not documented |
| Languages Supported | Yes | Not documented |
| DSPM / Data Discovery | No | Check |
| GenAI / AI Apps Coverage | Yes | Check |
| REST API | Yes | Not documented |
| MCP Server | Yes | Not found |
| Chrome Extension | Yes | Not found |
| Office Add-in | Yes | Not found |
| Desktop App | Yes | Not found |
| EU Data Residency | Germany (Hetzner) | Azure regions available |
| Starting Price | Free / €3/mo | Microsoft 365 E5 / Add-on |
| Zero-Knowledge Auth | Yes | — |
Comparison based on publicly available information. "Not found" indicates feature not documented on product page. Last updated February 2026.
Why Choose anonym.legal
Posture vs. Transformation
Purview monitors your data security posture. anonym.legal actively transforms sensitive data with anonymization, encryption, and redaction.
Vendor Independence
Purview is Microsoft-centric. anonym.legal works anywhere with any AI tool, with no Microsoft dependency and guaranteed German data residency.
External AI Protection
anonym.legal protects data shared with ChatGPT, Claude, and other external AI via browser extension and MCP Server. Purview focuses on internal Microsoft AI apps.
Zero-Knowledge Security
Your password never leaves your device. Even if our servers were breached, your credentials remain safe.
When Microsoft Purview DSPM Might Be Better
Frequently Asked Questions
What is the main difference between Microsoft Purview DSPM and anonym.legal?
Microsoft Purview DSPM is a data security posture management solution focused on discovery, monitoring, and governance within Microsoft environments. anonym.legal is an active transformation tool that anonymizes, encrypts, and redacts PII for use with any AI tool.
Can I use both solutions together?
Yes. Purview can monitor your data security posture across Microsoft apps, while anonym.legal can protect data before sharing with external AI tools like ChatGPT or Claude.
Do I need Microsoft 365 E5 for Purview DSPM?
Purview DSPM is typically part of Microsoft 365 E5 or available as an add-on. anonym.legal offers transparent pricing starting at €3/month with no enterprise licensing required.
What about non-Microsoft environments?
anonym.legal works with any environment and any AI tool. It's vendor-agnostic with guaranteed EU data residency. Purview is designed for Microsoft ecosystems.
Which solution handles reversible anonymization?
anonym.legal offers AES-256-GCM reversible encryption allowing you to restore original values. Reversible anonymization is not documented as a Purview DSPM feature.
Does anonym.legal offer zero-knowledge authentication?
Yes. anonym.legal uses zero-knowledge authentication with Argon2id and HKDF. Your password is processed on your device — only a mathematical proof is sent to the server, never the actual password.
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