The US Navy’s development of TeamsPhisher highlights a flaw in Microsoft Teams that allows files from external accounts to bypass restrictions and enter an organization’s inbox. This tool demonstrates the potential for malicious actors to exploit the vulnerability and deliver malware to Teams users. While Microsoft has not prioritized immediate action, users are encouraged to exercise caution and adjust their settings to mitigate the risk of receiving malicious links or attachments. Microsoft’s response and future resolution of the issue remain to be seen.
