Microsoft Purview Data Security is a commercial data classification solution by Microsoft. PII Crawler PII Scanner is a commercial data classification solution by PII Crawler. 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
Air-gapped PII Scanner finds SSNs and 30+ PII types in files with zero data out.
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
Microsoft Purview Data Security fits if you need both cloud and on-premises options.
PII Crawler PII Scanner fits if you need to run it on your own servers and you are a startup.
Common questions when comparing Microsoft Purview Data Security vs PII Crawler PII Scanner for data classification.
Microsoft Purview Data Security: Data classification and protection solution for Microsoft environments. Built by Microsoft.
PII Crawler PII Scanner: Air-gapped PII Scanner finds SSNs and 30+ PII types in files with zero data out. Built by PII Crawler.
The table above shows where their features, integrations, deployment and company size fit differ.
Microsoft Purview Data Security is made by Microsoft. PII Crawler PII Scanner is made by PII Crawler. 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 PII Crawler PII Scanner 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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