Microsoft Purview is a commercial data loss prevention solution by Microsoft. Permanent-Eraser is a free data loss prevention solution. Features, integrations, deployment and the company behind each one, side by side.
Unified data security platform for info protection, DLP, and insider risk mgmt.
Secure file erasing utility for Mac OS X
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Based on what each listing shows: deployment, company size, price and open source.
Microsoft Purview fits if you want a cloud product.
Permanent-Eraser fits if you need to run it on your own servers, you are a startup, you need a free product and you want an open-source product.
Common questions when comparing Microsoft Purview vs Permanent-Eraser for data loss prevention.
Microsoft Purview: Unified data security platform for info protection, DLP, and insider risk mgmt. Built by Microsoft.
Permanent-Eraser: Secure file erasing utility for Mac OS X.
The table above shows where their features, integrations, deployment and company size fit differ.
Microsoft Purview is made by Microsoft. Permanent-Eraser is open-source with 22 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Microsoft Purview and Permanent-Eraser are both Data Loss Prevention products. Key differences: Microsoft Purview is Commercial while Permanent-Eraser is Free, Permanent-Eraser is open-source. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-02
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