A ransomware group known as DragonForce deployed custom malware that leverages Microsoft Teams relay systems to conceal command-and-control communications. This technique exploits legitimate Microsoft infrastructure to evade detection, making it harder for security teams to identify the attack in progress.

Why it matters in Western Canada: Organizations across Western Canada heavily rely on Microsoft 365 and Teams for daily operations. This attack method directly targets enterprises using these ubiquitous platforms, particularly affecting post-secondary institutions, government agencies, and healthcare providers in the region.

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Summary generated from the original advisory. Read the full source: bleepingcomputer