A malicious Model Context Protocol (MCP) server has been discovered exfiltrating thousands of emails daily through AI assistant integrations, marking the first documented case of a supply chain attack targeting the emerging MCP ecosystem. The compromised package, postmark-mcp, has been downloaded approximately 1,500 times weekly and has been quietly stealing sensitive email communications since version […] The post Malicious MCP Server Discovered Stealing Sensitive Email Data Through AI Age...