Post #23483 135 Sep 30, 2026, 00:09 UTC Microsoft Copilot Cowork Exfiltrates Fileshttps://www.promptarmor.com/resources/microsoft-copilot-cowork-exfiltrates-files@secharvester Promptarmor Microsoft Copilot Cowork Exfiltrates Files Microsoft Copilot Cowork is vulnerable to file exfiltration attacks via indirect prompt injection as a result of insecure automatic action approvals for sending Emails and Teams messages.