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Feb 27, 2026

Weekly Abnormal Detection Enhancements

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

Weekly Detection Enhancements - Week of February 27

  • Expanded LLM-based labeling of lateral phishing to accelerate model tuning and improve detection accuracy

  • Improved misdirected email detection using aggregated sender-recipient communication history

  • Launched vendor-domain relationship detection to better identify lookalike domains in misdirected emails

  • Added Microsoft Entra detection for MFA removal to identify high-risk post-compromise activity

Protect Against Evolving Email Threats

See how behavioral AI detects attacks that legacy defenses miss.