
Microsoft also said that direct access to files stored in SharePoint Online remained functional, while features dependent on Exchange Online could be affected. For Microsoft 365 Copilot, users might be unable to load Copilot Chat or receive responses, and Copilot experiences might be unable to access work data such as email, calendars, and files.
The notification also identified potential impacts to Defender for Office 365 Safe Links, which might be unable to verify URLs clicked in Outlook and Teams, and to some Defender XDR portal pages. Other reported impacts included selected Intune device enrolment and compliance scenarios and Purview functions such as data loss prevention, automatic labelling and communication compliance.
Enterprise concentration risk
The incident has renewed attention on the operational dependencies created when organisations consolidate email, collaboration and security functions within a single cloud ecosystem.
This story originally appeared on Computerworld
