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Cross‑tenant helpdesk impersonation to data exfiltration: A human-operated intrusion playbook
🗓️ 18 Apr 2026 12:55:45Reported by Microsoft Defender Security Research Team and Microsoft Defender ExpertsType 
mssecure🔗 www.microsoft.com👁 15 Views
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18 Apr 2026 12:55Current
6.3Medium risk
Vulners AI Score6.3