Cisco Secure Email Threat Defense incident
Service Degradation In Attachment Analysis - EU region
Resolved after 3 hours 12 minutes, affecting Message Processing, on August 21, 2026.
The attachment analysis issue in the Europe region is now resolved, services have returned to normal. Our teams have confirmed that all systems are healthy. Thank you for your patience.
Affected components
Update timeline
- investigating Aug 21, 2026, 08:35 AM UTC
We are currently experiencing service degradation in attachment analysis in EU region. Customers may experience email processing delays. The team is investigating the issue and working to restore normal service as soon as possible.
- monitoring Aug 21, 2026, 10:59 AM UTC
We have implemented a fix for the attachment analysis degradation in the Europe region. Our team is now monitoring the results to ensure stability. Normal email processing is currently resuming. We will provide further updates as they become available.
- resolved Aug 21, 2026, 11:48 AM UTC
The attachment analysis issue in the Europe region is now resolved, services have returned to normal. Our teams have confirmed that all systems are healthy. Thank you for your patience.
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