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Outage in Abnormal Security

Email Detection Service Degradation

Resolved Major
April 28, 2026 - Started 5 days ago - Lasted about 2 hours
Official incident page

Incident Report

Summary AI Generated

Abnormal Security's email detection service experienced degraded accuracy from 00:30 UTC to 07:05 UTC on April 28, 2026, causing some legitimate emails to be incorrectly flagged as threats. The issue affected the Inbound Email Protection component for approximately 6.5 hours while email remediation services remained operational. Engineering identified the root cause, implemented a fix to restore full detection accuracy, and replayed all messages from the impact window to ensure complete protection coverage.

Starting at 00:30 UTC on April 28, 2026, Abnormal identified an issue impacting email detection accuracy, which may result in some legitimate emails being incorrectly flagged. Abnormal engineering is actively investigating and implementing corrective measures to restore full detection accuracy. Email remediation services remain operational. Abnormal will provide an update within 1 hour or as new information becomes available.

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Latest Updates ( sorted recent to last )
RESOLVED 5 days ago - at 04/28/2026 07:09AM

Between 00:30 UTC and 07:05 UTC on April 28, 2026, Abnormal experienced an issue impacting email detection and scoring accuracy, which may have resulted in some legitimate emails being incorrectly flagged. Abnormal engineering identified the root cause, implemented a fix, and confirmed that all email detection and scoring services have been fully restored. All messages received during the impact window will be replayed to ensure complete email protection coverage. If you experience any further issues, please reach out to the support team at support@abnormalsecurity.com.

IDENTIFIED 5 days ago - at 04/28/2026 06:20AM

Abnormal engineering has identified the root cause and is working to implement a fix to fully restore email protection. Abnormal will provide an additional update within 1 hour or as new information becomes available.

IDENTIFIED 5 days ago - at 04/28/2026 05:25AM

Starting at 00:30 UTC on April 28, 2026, Abnormal identified an issue impacting email detection accuracy, which may result in some legitimate emails being incorrectly flagged. Abnormal engineering is actively investigating and implementing corrective measures to restore full detection accuracy. Email remediation services remain operational. Abnormal will provide an update within 1 hour or as new information becomes available.

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