Expel incident

Alert Ingest Delay for O365

Major Resolved View vendor source →

Expel experienced a major incident on October 29, 2025 affecting Investigative actions and Alert ingestion, lasting 9h 5m. The incident has been resolved; the full update timeline is below.

Started
Oct 29, 2025, 05:17 PM UTC
Resolved
Oct 30, 2025, 02:22 AM UTC
Duration
9h 5m
Detected by Pingoru
Oct 29, 2025, 05:17 PM UTC

Affected components

Investigative actionsAlert ingestion

Update timeline

  1. identified Oct 29, 2025, 05:17 PM UTC

    Microsoft has reported an outage affecting O365 services. As a result of this outage, our integration with O365 is currently reporting as unhealthy. We are actively monitoring this issue and will provide an update within 60 minutes, or as soon as more information is available.

  2. identified Oct 29, 2025, 06:13 PM UTC

    Microsoft has reported an outage affecting O365 services. As a result of this outage, our integration with O365 is currently reporting as unhealthy. We are actively monitoring this issue and will provide an update within 60 minutes, or as soon as more information is available.

  3. identified Oct 29, 2025, 07:09 PM UTC

    Microsoft has reported an outage affecting O365 services. As a result of this outage, our integration with O365 is currently reporting as unhealthy. We are actively monitoring this issue and will provide an update within 60 minutes, or as soon as more information is available.

  4. identified Oct 29, 2025, 08:09 PM UTC

    Microsoft has reported an outage affecting O365 services. As a result of this outage, our integration with O365 is currently reporting as unhealthy. We are actively monitoring this issue and will provide an update within 60 minutes, or as soon as more information is available.

  5. monitoring Oct 29, 2025, 08:59 PM UTC

    Our integration with O365 has become healthy. We are currently ingesting and processing a backlog of events and will provide another update in 60 minutes.

  6. monitoring Oct 29, 2025, 09:57 PM UTC

    Our integration with O365 has become healthy and the backlog of events have been processed. We will continue to monitor the O365 service outage and will provide updates as they come.

  7. resolved Oct 30, 2025, 02:22 AM UTC

    Microsoft has confirmed that the O365 outage has been completely resolved. Our integration with O365 remains healthy and no customer data was lost.