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  "path": "/2026/06/microsoft-warns-poisoned-mcp-tool.html",
  "publishedAt": "2026-06-30T17:46:07.000Z",
  "site": "https://thehackernews.com",
  "textContent": "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",
  "title": "Microsoft Warns Poisoned MCP Tool Descriptions Can Make AI Agents Leak Data"
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