Abnormal Security incident
Inbound Email Security Detection and Remediation Disruption — US Hosted Customers
Abnormal Security experienced a critical incident on October 1, 2026 affecting Inbound Email Security (IES), lasting 1h 52m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Oct 01, 2026, 12:27 AM UTC
Starting at approximately 23:30 UTC on September 30th, 2026, Abnormal began experiencing a service disruption affecting Inbound Email Security detection and remediation for some US customers. Inline email may also not be detecting or remediating as expected. Abnormal engineers are actively working to restore services and the next update will be provided within one hour or sooner if additional information becomes available.
- identified Oct 01, 2026, 01:20 AM UTC
Abnormal engineers have identified the issue and are actively working on a fix to restore full service. The next update will be provided within one hour or sooner if additional information becomes available.
- resolved Oct 01, 2026, 02:20 AM UTC
Email detection and remediation services for hosted US customers were fully restored at 02:15 UTC on October 1, 2026. Abnormal engineers are processing messages that failed to process during the incident window, which is expected to complete by approximately 03:15 UTC on October 1, 2026. Please contact Abnormal Support at [email protected] if further issues occur.