Microsoft Warns Poisoned MCP Tool Descriptions Can Make AI Agents Leak Data

📊 Data Science

Microsoft Warns Poisoned MCP Tool Descriptions Can Make AI Agents Leak Data

Microsoft Warns Poisoned MCP Tool Descriptions Can Make AI Agents Leak Data

New Microsoft research shows how attackers can hijack AI agents that act on a user's behalf, using nothing more than a poisoned tool description to make the agent quietly hand over company data to an outsider. The trick is that the agent never breaks a rule. Every step looks routine, so in a default setup no alarm may fire. The work comes from Microsoft Incident Response and its

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