Microsoft Purview Data Security is a commercial data classification solution by Microsoft. SISA Radar is a commercial data classification solution by SISA. Features, integrations, deployment and the company behind each one, side by side.
What our shortlists say about the one we picked.
Best for: Teams that run on Microsoft 365
It earns its place because the labels sit inside the apps your staff already use, and it is built into Microsoft 365, so you may already own part of it. That makes it a natural first layer for a Microsoft estate of any size. Weigh that labels only protect what gets labeled, so plan who sets the classification rules and how you will check them.
From Best Data Protection Solutions for Business, Fall 2026
Reviewed by Nika (Nikoloz) Kokhreidze.
Data classification and protection solution for Microsoft environments
Discovers and classifies sensitive data across enterprise systems
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Based on what each listing shows: deployment, company size, price and open source.
Microsoft Purview Data Security fits if you are a small business.
Common questions when comparing Microsoft Purview Data Security vs SISA Radar for data classification.
Microsoft Purview Data Security: Data classification and protection solution for Microsoft environments. Built by Microsoft.
SISA Radar: Discovers and classifies sensitive data across enterprise systems. Built by SISA.
The table above shows where their features, integrations, deployment and company size fit differ.
Microsoft Purview Data Security is made by Microsoft. SISA Radar is made by SISA. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Microsoft Purview Data Security and SISA Radar are both Data Classification products, and both cover Sensitive Data. Use the table above to see where features, deployment and company size fit differ.
No Data Classification shortlist yet. This is the closest one.
Updated 2026-11-02
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