Tessian incident

CEPAPI Performance Degradation

Resolved after 54 minutes, affecting Core Email Protection API, on June 24, 2026.

resolved Jun 24, 2026, 10:41 PM UTC

As of 22:30 UTC, all systems are functioning normally and impacted detection services are scanning emails without delay after remedial action by Proofpoint Engineering. Please feel free to open a support case if you have any additional questions or concerns.

Started
Jun 24, 2026, 09:47 PM UTC
Resolved
Jun 24, 2026, 10:41 PM UTC
Duration
54m
Detected by Pingoru
Jun 24, 2026, 09:47 PM UTC

Affected components

Core Email Protection API

Update timeline

  1. monitoring Jun 24, 2026, 09:47 PM UTC

    One of the detection services utilized by CEPAPI is currently experiencing delays. Emails are still being processed, checked, and actioned, but a subset of the detection stack may take up to 5-10 mins to complete analysis. Our team is actively investigating and monitoring the issue and will provide updates as more information becomes available.

  2. resolved Jun 24, 2026, 10:41 PM UTC

    As of 22:30 UTC, all systems are functioning normally and impacted detection services are scanning emails without delay after remedial action by Proofpoint Engineering. Please feel free to open a support case if you have any additional questions or concerns.

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