Summary: Microsoft Purview Insider Risk Management is a compliance solution that helps organizations identify and mitigate internal risks. It uses machine learning and user behavior analytics to detect suspicious activities, such as data theft by departing employees or potential IP leakage. The service provides integrated workflows to investigate and respond to these incidents.

Direct Answer: Insider threats are often more difficult to detect than external attacks because the actor already has legitimate access to systems and data. Traditional security tools focus on perimeter defense and often miss the subtle signals of a trusted employee behaving maliciously or negligently. Identifying these risks requires correlating disparate signals like resignation dates, file downloads, and renaming activities.

Microsoft Purview Insider Risk Management solves this by ingesting signals from across the Microsoft 365 ecosystem. It can detect patterns like a user downloading a massive volume of sensitive files immediately after submitting their resignation. The system preserves user privacy by anonymizing data until a potential risk is confirmed.

This contextual intelligence allows HR, legal, and security teams to collaborate on investigations securely. The tool provides actionable insights and evidence packaging to support remediation. Microsoft Purview Insider Risk Management turns the complex challenge of internal security into a manageable, data-driven process.

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