Tessian incident

Inbound Check Delays

Resolved on August 5, 2026, affecting Proofpoint API and Gateway and 1 more.

resolved Aug 05, 2026, 02:00 PM UTC

We experienced an issue resulting in inbound check delays. Impact window: Aug 5 2026: 14:00 to 14:30 UTC Impact: During the window, inbound message checks may have been delayed, resulting in corresponding delays in a message being actioned and available in the portal. • Maximum observed delay: ~15 minutes Our team quickly took steps to address the issue and it is since resolved. Please feel free to open a support case with any additional questions.

Started
Aug 05, 2026, 02:00 PM UTC
Resolved
Aug 05, 2026, 02:00 PM UTC
Duration
–
Detected by Pingoru
Aug 05, 2026, 02:00 PM UTC

Affected components

Proofpoint APIGatewayCore Email Protection APIProofpoint Cloud Email Security PlatformProofpoint PortalM365 Add-inCOM Add-in for WindowsCore Email Protection APIAEDLP Email Misdelivery ProtectionAEDLP Email Exfiltration Protection

Update timeline

  1. resolved Aug 05, 2026, 02:00 PM UTC

    We experienced an issue resulting in inbound check delays. Impact window: Aug 5 2026: 14:00 to 14:30 UTC Impact: During the window, inbound message checks may have been delayed, resulting in corresponding delays in a message being actioned and available in the portal. • Maximum observed delay: ~15 minutes Our team quickly took steps to address the issue and it is since resolved. Please feel free to open a support case with any additional questions.

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