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Feb 13, 2026

Weekly Abnormal Detection Enhancements

A weekly summary of detection enhancements delivered by the Abnormal engineering team.

Weekly Detection Enhancements - Week of February 13

  • Enhanced detection of attachment-based threats through expanded feature and format analysis

  • Improved precision of attachment risk scoring using advanced heuristics and file-hash analysis

  • Launched detections for malicious HTML content disguised as audio file attachments

  • Added detections for lateral account compromise attacks in educational institutions

  • Deployed brute-force sign-in detections using location and failed login patterns

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See how behavioral AI detects attacks that legacy defenses miss.