Researchers Reveal Reprompt Attack Allowing Single-Click Data Exfiltration From Microsoft Copilot
Ravie LakshmananJan 15, 2026Prompt Injection / Enterprise Security Cybersecurity researchers have disclosed details of a new attack method dubbed Reprompt that could allow bad actors to exfiltrate sensitive data from artificial intelligence (AI) chatbots like Microsoft Copilot in a single click, while bypassing enterprise security controls entirely. “Only a single click on a legitimate Microsoft…
