Reprompt is a newly identified threat campaign that targets data processed by Microsoft Copilot, with attackers siphoning Copilot data in a stealthy manner.
Reprompt is a newly identified threat campaign that targets data processed by Microsoft Copilot, with attackers siphoning Copilot data in a stealthy manner. This campaign underscores the data-exfiltration risk associated with AI-assisted tools integrated into Microsoft 365, making Copilot usage a potential channel for enterprise data leakage.
A newly disclosed vulnerability in Microsoft 365 Copilot Enterprise, named SearchLeak (CVE-2026-42824), allows attackers to exfiltrate sensitive data with a single click on a crafted link. Discovered by Varonis Threat…
Researchers revealed a security exploit in Microsoft Copilot that allowed attackers to steal user data through a single malicious link. This 'Reprompt' attack bypassed data leak protections and enabled session…