​​​​​​​​What’s new in Microsoft Security: September 2026​​

Summary

Microsoft's September 2026 security update, published as a news item, describes new features across Microsoft Defender, Microsoft Security Copilot, Microsoft Purview and Microsoft Entra. Updates include AI-generated email detonation summaries, network-layer blocking of sensitive data sent to unsanctioned AI tools, expanded auto-labeling for large environments, and eDiscovery and archiving changes for Copilot-created content.

Topics

• Coding assistants

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