Expel incident

Phishing Service Sending Multiple Notifications

Minor Resolved View vendor source →

Expel experienced a minor incident on January 7, 2026, lasting 3h 2m. The incident has been resolved; the full update timeline is below.

Started
Jan 07, 2026, 07:51 PM UTC
Resolved
Jan 07, 2026, 10:54 PM UTC
Duration
3h 2m
Detected by Pingoru
Jan 07, 2026, 07:51 PM UTC

Update timeline

  1. investigating Jan 07, 2026, 07:51 PM UTC

    Starting 1/6/25 at roughly 12:00 EST, we have identified an issue with our phishing service where outcome emails are being sent multiple times to some users and are investigating the root cause. Ingestion and email review are not affected. We will provide an update at 4pm EST.

  2. identified Jan 07, 2026, 09:11 PM UTC

    We believe we have identified the root cause of duplicate phishing outcome emails and are preparing a hotfix. Next update at 5pm EST.

  3. monitoring Jan 07, 2026, 10:00 PM UTC

    The hotfix for duplicate phishing outcomes has been deployed and we are monitoring. Next update at 6pm EST.

  4. resolved Jan 07, 2026, 10:54 PM UTC

    The hotfix for phishing submission outcome emails was successful and behavior has returned to normal. This incident is resolved.