MCP Multi-Layer Security Model

mcp-multi-layer-security.md

graph TB
    subgraph "Enterprise Security Layers"
        subgraph "Infrastructure Security"
            APIGW[API Gateway<br/>- Rate limiting<br/>- DDoS protection<br/>- SSL termination]
            Auth[Lambda Authorizer<br/>- JWT validation<br/>- Enterprise claims<br/>- 5-min caching]
        end
        
        subgraph "Identity & Access"
            Cognito[AWS Cognito<br/>- Enterprise SSO<br/>- MFA enforcement<br/>- Group-based access]
            Federation[Identity Federation<br/>- SAML/OIDC<br/>- Active Directory<br/>- Custom providers]
        end
        
        subgraph "Application Security"
            MCP[MCP Server<br/>- Scope validation<br/>- Enterprise context<br/>- Business logic]
            Data[Data Layer<br/>- Row-level security<br/>- Encryption at rest<br/>- Audit logging]
        end
        
        subgraph "Compliance & Monitoring"
            CloudWatch[CloudWatch<br/>- Request logging<br/>- Error tracking<br/>- Performance metrics]
            CloudTrail[CloudTrail<br/>- API audit trail<br/>- Change tracking<br/>- Compliance reporting]
        end
    end
    
    APIGW --> Auth
    Auth --> Cognito
    Cognito --> Federation
    Auth --> MCP
    MCP --> Data
    
    APIGW --> CloudWatch
    Auth --> CloudWatch
    MCP --> CloudWatch
    Data --> CloudTrail

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