Mmastodon Technology Cybersecurity first seen 12 h ago, last 12 h ago, peak #10

Microsoft Defender exclusions abused to hide malware

Original: # infosec # malware # antivirus Blog elhacker.NET: Usan exclusiones de Microsoft Defender para ocultar malware https://

Attackers are reportedly using Microsoft Defender's exclusion settings to conceal malware from antivirus scanning, according to a report by Spanish security blog elhacker.NET. By adding malicious files or folders to Defender's exclusion list, malware can run undetected on Windows systems. The technique highlights ongoing concerns that trusted security tools themselves can be manipulated by attackers to bypass endpoint protection.

Why now: Security researchers and IT administrators are alarmed that a legitimate Defender feature is being weaponized to evade detection.

Microsoft Defender Microsoft elhacker.NET Windows

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Evidence

# infosec # malware # antivirus Blog elhacker.NET: Usan exclusiones de Microsoft Defender para ocultar malware https:// blog.elhacker.net/2026/10/usan -exclusiones-de-microsoft-defender.html?m=1 · const_data

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