Important Microsoft 365 security controls introduced in 2025 that administrators should evaluate and configure.
Recommended to Enable:
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Baseline Security Mode (BSM)
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Block direct send in Exchange Online
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QR code–based authentication in Microsoft 365
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Screen capture prevention during Microsoft Teams meetings
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More granular external access controls in Microsoft Teams
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Enhanced file protection within Microsoft Teams
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Malicious URL detection for Teams chats and channels
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Content Security Policy (CSP) in SharePoint Online
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Data Security Posture Management (DSPM) in Microsoft Purview
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Knowledge Agent in SharePoint Online
Recommended to Disable:
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“Chat with anyone” capability in Microsoft Teams
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Adding personal email accounts in Outlook
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Automatic archiving in Exchange Online (for select users)
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Applications and agents created by external publishers
Review these settings in your tenant and adjust them based on your organization’s security requirements.
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