Microsoft's recent outage disrupted its email and productivity tools, and even affected its cybersecurity services.

MSFT · Microsoft Corp.

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The affected tools help block harmful links and files, manage threats, and protect sensitive company information. Their failure could delay those tasks for customers. Microsoft did not report a complete loss of protection or attacks during the outage. Still, several named security and data-protection features failed, raising concerns about the reliability of services customers depend on.