Microsoft Defender XDR False Positive Leads to Massive Data Leak of 1,700+ Sensitive Documents

ANY.RUN research identified a large-scale data leak event triggered by a false positive in Microsoft Defender XDR. The security platform incorrectly flagged benign files as malicious, leading to their automatic submission to ANY.RUN’s public sandbox for analysis. As a result, over 1,700 sensitive documents were uploaded and indexed publicly. The leak, which involved corporate data […]

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