Cisco Secure Email Threat Defense incident
Intermittent Logon Timeouts Affecting US Environment – Email Processing Unaffected
Resolved after 1 hour 10 minutes, on December 3, 2025.
We are currently experiencing frequent intermittent timeouts during the logon process affecting the US environment. This issue does not impact email intake and processing. The root cause has been identified, and our team is actively working on a resolution. We will provide further updates as soon as more information becomes available.
Update timeline
- identified Dec 03, 2025, 03:14 PM UTC
We are currently experiencing frequent intermittent timeouts during the logon process affecting the US environment. This issue does not impact email intake and processing. The root cause has been identified, and our team is actively working on a resolution. We will provide further updates as soon as more information becomes available.
- resolved Dec 03, 2025, 04:25 PM UTC
This incident has been resolved.
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