Introduction

As organizations store more business data in Microsoft 365, protecting sensitive information becomes increasingly important. Microsoft Purview provides built-in tools to classify, monitor, and secure data across emails, SharePoint, OneDrive, and Teams.

Problem / Scenario

A company wants to prevent employees from accidentally sharing confidential customer information outside the organization.

Prerequisites

  • Microsoft 365 Tenant
  • Microsoft Purview access
  • Compliance Administrator permissions

Step-by-Step Configuration

  1. Open Microsoft Purview Portal.
  2. Navigate to Information Protection.
  3. Create a new sensitivity label.
  4. Configure encryption and protection settings.
  5. Publish the label using a Label Policy.
  6. Test the policy with sample documents.

Screenshots

  • Purview Dashboard
  • Label Creation Wizard
  • Published Policy

Lessons Learned

  • Start with audit mode before enforcing policies.
  • Use clear label names for end users.
  • Test policies with pilot users first.

Conclusion

Sensitivity labels provide an effective way to secure business information while keeping collaboration simple.

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