Securing the Model Context Protocol in Enterprise Environments

We make a comprehensive security assessment of the Model Context Protocol (MCP), a proposed standard for connecting AI systems to external resources. It highlights the potential benefits of MCP in simplifying AI integration but primarily focuses on significant security vulnerabilities in its current design and typical implementations. The assessment details weaknesses such as tool manipulation, inadequate authentication and authorization, tool shadowing, and a lack of user visibility, emphasizing the risks for enterprise adoption. Furthermore, it evaluates proposed security measures and recommends a defense-in-depth strategy encompassing secure tool ecosystem management, network security, data protection, incident response, and AI model hardening to achieve enterprise readiness.