New BOF Tool Exploits Microsoft Teams’ Cookie Encryption Allowing Attackers to Access User Chats

A specialized Beacon Object File (BOF) designed to extract authentication cookies from Microsoft Teams without disrupting the application. This development builds on recent findings that expose how Teams stores sensitive access tokens, potentially allowing attackers to impersonate users and access chats, emails, and documents. The tool, released by Tier Zero Security, adapts an existing browser […]

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