Hackers Exploit Microsoft Teams’ Collaboration Features to Impersonate IT Helpdesk Staff

A growing wave of vishing (voice phishing) campaigns in which threat actors abuse Microsoft Teams’ external collaboration features to impersonate IT helpdesk personnel and investigators is now turning to the Microsoft 365 Unified Audit Log (UAL) as a critical forensic data source to reconstruct attack timelines. The attack chain begins when a threat actor operating […]

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