Expel incident
Delay in sending email, slack and MS Teams notifications from Workbench
Expel experienced a minor incident on October 8, 2025 affecting Email and Slack and 1 more component, lasting 1h 50m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- identified Oct 08, 2025, 08:59 AM UTC
We have identified an issue with a 3rd party vendor that is causing a 10-15 minute delay in sending email, slack and MS Teams notifications from Workbench. Alert ingestion is not affected. Please be aware that this delay applies to all client notifications, such as Verify Actions and New Incident Notifications. There is no other impact to SOC operations. Customers can continue to request support as usual (ticket creation is not affected by this delay).
- identified Oct 08, 2025, 09:34 AM UTC
We are continuing to work on a fix for this issue.
- monitoring Oct 08, 2025, 09:42 AM UTC
We continue to experience a delay of approximately 10–15 minutes in delivering email, Slack, and Microsoft Teams notifications from Workbench. Our team has escalated the issue with our vendor and is actively monitoring the situation. We’ll provide an update here as soon as we have more information or when service performance returns to normal.
- monitoring Oct 08, 2025, 10:04 AM UTC
We are no longer observing delays in delivering email, slack and MS Teams notifications from Workbench. We will continue to monitor for the next hour as we work with our vendor to confirm that the issue is resolved.
- resolved Oct 08, 2025, 10:50 AM UTC
We have confirmed that the incident has been resolved. Email, slack and MS Teams notifications from Workbench are being delivered within normal timeframes.