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.

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.

Started
Aug 21, 2026, 08:35 AM UTC
Resolved
Aug 21, 2026, 11:48 AM UTC
Duration
3h 12m
Detected by Pingoru
Aug 21, 2026, 08:35 AM UTC

Affected components

Message Processing

Update timeline

  1. 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.

  2. 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.

  3. 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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