New ‘Reprompt’ Attack Silently Siphons Microsoft Copilot Data

15/01/2026-14:09 15/01/2026-14:25 מחשבים וטכנולוגיה Security Aid דיווח

The attack bypassed Copilot’s data leak protections and allowed for session exfiltration even after the Copilot chat was closed. The post securityweek.com
appeared first on http

New 'Reprompt' Attack Silently Siphons Microsoft Copilot Data

The Reprompt Copilot attack bypassed the LLMs data leak protections, leading to stealth information exfiltration after the chat was closed

🔗 www.securityweek.com