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Understanding MCP: Security Implications

In the world of enterprise IT, secure and structured communication between systems is essential. One often-overlooked method of such communication is Message Communication Protocol (MCP)—a transport-layer mechanism for exchanging structured messages between applications, often in legacy or hybrid IT environments. While MCP may not grab as many headlines as RESTful APIs or GraphQL, it continues to play a critical role in many sectors where stability, predictability, and batch-oriented operations are required.