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Microsoft Teams vishing attacks lead to Chaos ransomware attacks

·Source: BleepingComputer

Updated:

Executive Summary

Threat actors are impersonating IT support staff in Microsoft Teams calls to gain remote access to corporate devices and deploy Chaos ransomware in attacks targeting North American organizations. [...]

Analysis

Threat actors are impersonating IT support staff in Microsoft Teams calls to gain remote access to corporate devices and deploy Chaos ransomware in attacks targeting North American organizations. [...]
Source Attribution

Originally published by BleepingComputer on Jul 30, 2026.

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