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cloud defense

About this tag
The cloud defense tag on WindowsForum covers Microsoft Purview Data Loss Prevention (DLP) policies that block Microsoft 365 Copilot from processing sensitivity-labeled files across Office apps. Recent discussions highlight that these DLP protections now apply to Word, Excel, and PowerPoint files stored locally or in non-Microsoft cloud locations, with a staged rollout completing by April 2026. This tag is relevant for enterprise IT administrators managing data security, compliance, and AI guardrails in Microsoft 365 environments. Topics include sensitivity labels, Copilot restrictions, and cross-platform file protection.
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    Purview DLP Now Blocks Copilot on Local and Cloud Files Across Office Apps in 2026

    Microsoft has quietly tightened one of the most consequential guardrails for enterprise AI: Microsoft Purview’s Data Loss Prevention (DLP) policies that block Microsoft 365 Copilot processing of sensitivity‑labeled files will now apply to Word, Excel, and PowerPoint files regardless of where...
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    • ai warfare automated targeting brand kits copilot cloud defense content provenance copilot security data loss prevention defense procurement enterprise compliance enterprise governance purview governance watermark policy
    • Replies: 2
    • Forum: Windows News
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