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Cross‑tenant helpdesk impersonation to data exfiltration: A human-operated intrusion playbook | Microsoft Security Blog

📅 April 18, 2026 📰 www.microsoft.com 🔍 0 CVE(s) referenced

A sophisticated human-operated attack exploits cross-tenant helpdesk impersonation to escalate privileges and exfiltrate sensitive data, highlighting critical gaps in multi-tenant cloud security.

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