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Nightmare Eclipse Drops New Microsoft Defender Exploit After Revealing Identity

·Source: SecurityWeek

Updated:

Executive Summary

Abdelhamid Naceri, a former Microsoft Germany employee, is the exploit leaker Nightmare Eclipse, aka Chaotic Eclipse. The post Nightmare Eclipse Drops New Microsoft Defender Exploit After Revealing Identity appeared first on SecurityWeek .

Analysis

Abdelhamid Naceri, a former Microsoft Germany employee, is the exploit leaker Nightmare Eclipse, aka Chaotic Eclipse. The post Nightmare Eclipse Drops New Microsoft Defender Exploit After Revealing Identity appeared first on SecurityWeek .
Source Attribution

Originally published by SecurityWeek on Sep 22, 2026.

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