Summary Microsoft Entra ID sign-in pages will add stronger Content Security Policy protections to block external or injected scripts during authentication. Organizations using browser extensions, monitoring tools, or customizations that inject code into the login.microsoftonline.com sign-in experience may see those tools stop working. Microsoft Entra External ID tenants and MSAL/API-based authentication flows are not affected. …
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Summary Microsoft Purview is retiring the DSPM classic and DSPM for AI classic experiences and moving organizations to the current unified DSPM experience. Affected organizations include tenants still using DSPM classic or DSPM for AI classic, along with Purview, security, and compliance administrators who manage data security posture. After retirement, the classic experiences will no …
Summary Teams admins will get recommendations in the Teams admin center for Teams apps and agents that match applications already used in the organization. Recommendations are based on usage signals and can help identify opportunities to surface integrated Teams experiences for users, groups, or the whole tenant. Admins can choose to make a recommended app …
Summary Microsoft is adding a new M365 admin center setting to pin the Microsoft Copilot app to the Windows taskbar for selected user groups. Admins can target pinning by Entra ID group membership, such as by department, function, or pilot/champions groups. The setting only affects eligible Intune-managed Windows devices where the Copilot app is already …
Summary Microsoft Defender XDR is adding detection source selection to alert tuning rules for more granular scoping. Alert tuning rules can now be limited to specific detection sources instead of applying broadly across a service source. Existing rules that are not updated will continue to apply to all detection sources under their selected service sources, …
Summary Microsoft has paused automatic updates for Teams app version 1449/1.0.94.2026220406 on Teams phone and Common Area Phone devices. The affected build disables Advanced Calling on CAP devices, which can reduce calling functionality for impacted phones. Devices already on this version will remain impacted until a fixed build is released or a mitigation is applied. …
Summary Microsoft is retiring the SharePoint Page Agent (Frontier) in Microsoft 365 Copilot for SharePoint Online. Users will no longer be able to start new SharePoint page or news-post drafts through the Page Agent after retirement completes. Existing pages and news posts created with the Page Agent will remain in SharePoint and continue to follow …
Summary Microsoft Purview is changing legacy Teams retention policies so they are treated as Teams-only and no longer implicitly apply to Microsoft 365 Copilot interactions. Organizations that currently rely on Teams retention policies to retain or delete Copilot content will need to create retention policies specifically for the Copilot workload. Teams retention behavior is not …
Summary Microsoft Purview Insider Risk Management is retiring the Data Risk Graph investigation experience. Investigators should use Activity explorer, Content explorer, and User activity instead for reviewing risky activity and context. Data Risk Graph will no longer be configurable or available in alert details, but existing IRM policies, alerts, cases, reports, and workflows remain available. …
Summary Microsoft Teams on Mac VDI is moving from legacy WebRTC-based media optimization (Citrix HDX Media Optimized / AVD Media Optimized) to the new Teams VDI optimization. The change applies to Mac endpoints used with Citrix and Azure Virtual Desktop / Windows 365; it does not apply to Linux, mobile, HTML5, or Mac with Omnissa …