Microsoft investigates Office Apps, Teams file access issues

Summary

Microsoft is investigating an ongoing incident that is preventing users of Microsoft Teams and Office for the web from accessing and opening files. The issue appears to be related to issues with accessing files from SharePoint and OneDrive, impacting users across various platforms and devices.

IFF Assessment

FOE

This incident directly impacts the availability and functionality of critical collaboration and productivity tools, creating an operational security risk for organizations relying on these services.

Defender Context

Downtime in collaboration platforms like Microsoft Teams can disrupt workflows and hinder incident response efforts. Defenders should monitor for related phishing attempts that may exploit user frustration or confusion during such outages, and ensure robust backup and recovery strategies are in place for critical data.

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