Episode
Microsoft Purview Data Loss Prevention (DLP) - Simply Explained
- Published
- Jul 24, 2026
- Duration seconds
- 944
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Summary
Welcome to another episode of Knowledge Nuggets with Mirko Peters. Today we're exploring Microsoft Purview Data Loss Prevention (DLP), one of the most important security capabilities in Microsoft 365 for preventing accidental data leaks. When most people think about cybersecurity, they imagine hackers breaking through firewalls or ransomware attacks encrypting company data. But the reality is often much simpler. Many of the largest data breaches happen because someone accidentally sends confidential information to the wrong recipient, shares a sensitive document externally, or copies company data to an unauthorized location. Microsoft Purview Data Loss Prevention isn't designed to stop hackers—it is designed to stop well-intentioned employees from making costly mistakes. By automatically identifying sensitive information, monitoring how it's being used, and enforcing security policies across Microsoft 365, DLP quietly protects your organization's most valuable information without preventing employees from getting their work done. In this episode, we'll explore how Microsoft Purview DLP works across email, SharePoint, OneDrive, Teams, endpoints, and Microsoft 365 Copilot, and why it has become a cornerstone of modern Microsoft security. WHY DATA LOSS PREVENTION MATTERS Many organizations focus heavily on defending against external cyberattacks while overlooking the largest source of data loss: accidental human error. Employees regularly send emails to the wrong recipients, upload confidential documents to inappropriate locations, or unintentionally expose sensitive information through everyday collaboration. Traditional approaches attempted to solve this by locking everything down—blocking USB drives, restricting file sharing, and preventing external communication altog…