Purview

• Data Security & Compliance

Data Security, Compliance, & Governance Working Together

Microsoft Purview is the backbone of data security and compliance in Microsoft 365. It’s how organizations answer the questions that matter most: Where is our sensitive data? Who can access it? Is it protected if it leaves our environment? And are we keeping or deleting what we’re required to?

This section breaks down the core Purview components, how they work together, and real configuration scenarios I’ve worked through myself.

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• Security insights

What You’ll Find Here

Information Protection

Sensitivity Labels give you a consistent way to classify and protect content wherever it lives — files, emails, meetings, Teams content. Labels can apply encryption, access restrictions, and visual markings so protection travels with the data, not just the location.

Information Barriers

Sometimes the goal isn’t protecting data from leaving — it’s controlling who can even talk to whom. Information Barriers restrict communication and collaboration between groups to reduce conflicts of interest, limiting chat, calls, and file sharing across Teams, SharePoint, and OneDrive.

Data Classification

Before you can protect data, you have to know where it lives. Data Classification helps you discover and understand sensitive data across your Microsoft 365 environment. Sensitive Information Types identify things like credit card numbers, Social Security numbers, or custom patterns using matching logic, keywords, confidence levels, and proximity signals.

Data Loss Prevention

Data Lifecycle Management

Insider Risk Management

Communication Compliance

Compliance Manager

DSPM

eDiscovery

Records Management

Data Security Investigations

Ready To Go Deeper?

Every guide on this site comes from hands-on configuration, not theory. Explore the blog, dig into Microsoft Purview, Defender XDR, and Sentinel, and start building the skills that got me from the fields to Microsoft Security.