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Outage in Cisco Secure Email Threat Defense

Service Degradation in North American Environment

Resolved Minor
January 22, 2026 - Started 22 days ago - Lasted about 17 hours
Official incident page

Incident Report

Secure Email Threat Defense is experiencing an intermittent service degradation. We are working to address this issue and will post an update when it is resolved. Issue Details: Microsoft is currently experiencing service degradation within their Office 365 (O365) environment. For the latest updates, please visit: https://status.cloud.microsoft/ Impact Details: Customers may observe a backlog of active email recipients pending delivery to O365. Problem Symptoms: Delays or queuing of email recipients pending delivery to O365. Workaround/Solution: There is no workaround or solution available at this time. Recommendations: We are actively monitoring updates from Microsoft and will continue to provide timely information as the situation evolves.

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Latest Updates ( sorted recent to last )
RESOLVED 21 days ago - at 01/23/2026 02:37PM

This incident has been resolved.

INVESTIGATING 22 days ago - at 01/22/2026 09:31PM

Secure Email Threat Defense is experiencing an intermittent service degradation. We are working to address this issue and will post an update when it is resolved.

Issue Details:

Microsoft is currently experiencing service degradation within their Office 365 (O365) environment. For the latest updates, please visit: https://status.cloud.microsoft/

Impact Details:
Customers may observe a backlog of active email recipients pending delivery to O365.

Problem Symptoms:
Delays or queuing of email recipients pending delivery to O365.

Workaround/Solution:
There is no workaround or solution available at this time.

Recommendations:
We are actively monitoring updates from Microsoft and will continue to provide timely information as the situation evolves.

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