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Hackers Mimic IT Teams to Exploit Microsoft Teams Request to Gain System Remote Access
A sophisticated social engineering campaign by the EncryptHub threat group that combines impersonation tactics with technical exploitation to compromise corporate networks.
The Russian-linked cybercriminals are posing as IT support staff and using Microsoft Teams requests to establish remote access, ultimately deploying malicious payloads through a previously unknown Windows vulnerability. Cybersecurity experts recommend implementing multi-layered defense strategies, including immediate patching of CVE-2025-26633, enhanced monitoring of Microsoft Management Console activities, and comprehensive user awareness training focused on social engineering tactics. The EncryptHub campaign demonstrates how modern threat actors continue to evolve their tactics, combining trusted communication platforms like Microsoft Teams with sophisticated technical exploits to achieve their objectives.
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