ContractAI Security Architecture

Comprehensive security architecture and compliance framework for ContractAI

Overview

This document outlines the security architecture and compliance framework for ContractAI, ensuring enterprise-grade security and regulatory compliance.

Security Model

Zero Trust Architecture

graph TD
    A[Zero Trust Model] --> B[Identity Verification]
    A --> C[Access Control]
    A --> D[Network Security]
    A --> E[Data Protection]

    B --> B1[Multi-Factor Auth]
    B --> B2[Identity Provider]
    B --> B3[Device Trust]

    C --> C1[Role-Based Access]
    C --> C2[Least Privilege]
    C --> C3[Policy Enforcement]

    D --> D1[Microsegmentation]
    D --> D2[Encryption]
    D --> D3[Traffic Control]

    E --> E1[Data Classification]
    E --> E2[Encryption]
    E --> E3[Access Logging]

Security Layers

graph TD
    A[Security Layers] --> B[Perimeter Security]
    A --> C[Network Security]
    A --> D[Application Security]
    A --> E[Data Security]

    B --> B1[WAF]
    B --> B2[DDoS Protection]
    B --> B3[API Gateway]

    C --> C1[VPC]
    C --> C2[Network ACLs]
    C --> C3[Security Groups]

    D --> D1[Authentication]
    D --> D2[Authorization]
    D --> D3[Input Validation]

    E --> E1[Encryption]
    E --> E2[Key Management]
    E --> E3[Data Masking]

Data Security

Data Flow Security

graph LR
    A[Client] -->|Encrypted| B[API Gateway]
    B -->|TLS 1.3| C[Application]
    C -->|Encrypted| D[Database]
    C -->|Encrypted| E[Cache]
    C -->|Encrypted| F[Storage]

    style A fill:#f9f,stroke:#333
    style B fill:#bbf,stroke:#333
    style C fill:#bfb,stroke:#333
    style D fill:#fbb,stroke:#333
    style E fill:#fbb,stroke:#333
    style F fill:#fbb,stroke:#333

Data Classification

graph TD
    A[Data Classification] --> B[Public]
    A --> C[Internal]
    A --> D[Confidential]
    A --> E[Restricted]

    B --> B1[Documentation]
    B --> B2[Public APIs]

    C --> C1[Internal Docs]
    C --> C2[System Logs]

    D --> D1[User Data]
    D --> D2[Config Data]

    E --> E1[Credentials]
    E --> E2[Security Keys]

Access Control

Authentication Flow

sequenceDiagram
    participant U as User
    participant A as Auth Service
    participant I as Identity Provider
    participant S as Session Manager

    U->>A: Login Request
    A->>I: Verify Identity
    I->>A: Identity Verified
    A->>S: Create Session
    S->>A: Session Token
    A->>U: Access Granted

Authorization Model

graph TD
    A[Authorization] --> B[Role-Based]
    A --> C[Attribute-Based]
    A --> D[Policy-Based]

    B --> B1[User Roles]
    B --> B2[Group Roles]
    B --> B3[Service Roles]

    C --> C1[User Attributes]
    C --> C2[Resource Attributes]
    C --> C3[Environment]

    D --> D1[Access Policies]
    D --> D2[Resource Policies]
    D --> D3[Network Policies]

Network Security

Network Architecture

graph TD
    A[Network Architecture] --> B[Public Zone]
    A --> C[DMZ]
    A --> D[Private Zone]

    B --> B1[Internet]
    B --> B2[CDN]

    C --> C1[Load Balancer]
    C --> C2[WAF]
    C --> C3[API Gateway]

    D --> D1[Application]
    D --> D2[Database]
    D --> D3[Cache]

    style B fill:#fbb,stroke:#333
    style C fill:#bbf,stroke:#333
    style D fill:#bfb,stroke:#333

Traffic Control

graph LR
    A[Internet] -->|Filtered| B[WAF]
    B -->|Inspected| C[Load Balancer]
    C -->|Routed| D[API Gateway]
    D -->|Authenticated| E[Application]
    E -->|Encrypted| F[Database]

    style A fill:#f9f,stroke:#333
    style B fill:#bbf,stroke:#333
    style C fill:#bbf,stroke:#333
    style D fill:#bbf,stroke:#333
    style E fill:#bfb,stroke:#333
    style F fill:#fbb,stroke:#333

Agent Security

Agent Isolation

graph TD
    A[Agent Security] --> B[Container Isolation]
    A --> C[Network Isolation]
    A --> D[Resource Limits]

    B --> B1[Namespaces]
    B --> B2[Capabilities]
    B --> B3[Seccomp]

    C --> C1[Network Policy]
    C --> C2[Service Mesh]
    C --> C3[Proxy]

    D --> D1[CPU Limits]
    D --> D2[Memory Limits]
    D --> D3[Storage Limits]

Agent Communication

sequenceDiagram
    participant A as Agent
    participant G as Gateway
    participant V as Validator
    participant S as Service

    A->>G: Request
    G->>V: Validate
    V->>G: Validation Result
    G->>S: Forward Request
    S->>G: Response
    G->>A: Response

Compliance Framework

Compliance Model

graph TD
    A[Compliance] --> B[Standards]
    A --> C[Regulations]
    A --> D[Certifications]

    B --> B1[ISO 27001]
    B --> B2[SOC 2]
    B --> B3[NIST]

    C --> C1[GDPR]
    C --> C2[CCPA]
    C --> C3[HIPAA]

    D --> D1[Security]
    D --> D2[Privacy]
    D --> D3[Quality]

Compliance Workflow

graph TD
    A[Compliance Process] --> B[Assess]
    A --> C[Implement]
    A --> D[Monitor]
    A --> E[Audit]

    B --> B1[Gap Analysis]
    B --> B2[Risk Assessment]

    C --> C1[Controls]
    C --> C2[Policies]

    D --> D1[Metrics]
    D --> D2[Alerts]

    E --> E1[Internal]
    E --> E2[External]

Security Operations

Monitoring and Detection

graph TD
    A[Security Monitoring] --> B[Log Collection]
    A --> C[Threat Detection]
    A --> D[Alerting]

    B --> B1[System Logs]
    B --> B2[Audit Logs]
    B --> B3[Security Logs]

    C --> C1[Pattern Detection]
    C --> C2[Anomaly Detection]
    C --> C3[Threat Intel]

    D --> D1[Alert Rules]
    D --> D2[Notification]
    D --> D3[Escalation]

Incident Response

graph TD
    A[Incident Response] --> B[Detection]
    B --> C[Analysis]
    C --> D{Severity}
    D -->|High| E[Emergency]
    D -->|Medium| F[Standard]
    D -->|Low| G[Routine]

    E --> E1[Immediate Action]
    E --> E2[Escalation]
    E --> E3[Recovery]

    F --> F1[Investigation]
    F --> F2[Containment]
    F --> F3[Resolution]

    G --> G1[Documentation]
    G --> G2[Resolution]
    G --> G3[Review]

Security Controls

Technical Controls

graph TD
    A[Technical Controls] --> B[Preventive]
    A --> C[Detective]
    A --> D[Corrective]

    B --> B1[Access Control]
    B --> B2[Encryption]
    B --> B3[Firewalls]

    C --> C1[Monitoring]
    C --> C2[Logging]
    C --> C3[Auditing]

    D --> D1[Backup]
    D --> D2[Recovery]
    D --> D3[Patching]

Operational Controls

graph TD
    A[Operational Controls] --> B[Processes]
    A --> C[Procedures]
    A --> D[Training]

    B --> B1[Change Management]
    B --> B2[Incident Response]
    B --> B3[Disaster Recovery]

    C --> C1[Security Procedures]
    C --> C2[Access Procedures]
    C --> C3[Emergency Procedures]

    D --> D1[Security Awareness]
    D --> D2[Technical Training]
    D --> D3[Compliance Training]

Security Features

Audit and Logging

graph TD
    A[Audit System] --> B[Log Sources]
    A --> C[Log Processing]
    A --> D[Log Storage]
    A --> E[Log Analysis]

    B --> B1[System Logs]
    B --> B2[Application Logs]
    B --> B3[Security Logs]

    C --> C1[Collection]
    C --> C2[Normalization]
    C --> C3[Enrichment]

    D --> D1[Hot Storage]
    D --> D2[Warm Storage]
    D --> D3[Cold Storage]

    E --> E1[Search]
    E --> E2[Analytics]
    E --> E3[Reporting]

Advanced Security Features

graph TD
    A[Advanced Security] --> B[Threat Intel]
    A --> C[ML Detection]
    A --> D[Automated Response]

    B --> B1[Feeds]
    B --> B2[Analysis]
    B --> B3[Integration]

    C --> C1[Pattern Learning]
    C --> C2[Anomaly Detection]
    C --> C3[Behavior Analysis]

    D --> D1[Auto Containment]
    D --> D2[Auto Remediation]
    D --> D3[Auto Recovery]

Implementation Guide

Security Setup

graph TD
    A[Security Setup] --> B[Initial Setup]
    A --> C[Configuration]
    A --> D[Validation]

    B --> B1[Network Setup]
    B --> B2[Access Setup]
    B --> B3[Monitoring Setup]

    C --> C1[Security Policies]
    C --> C2[Access Rules]
    C --> C3[Alert Rules]

    D --> D1[Security Testing]
    D --> D2[Compliance Check]
    D --> D3[Performance Test]

Compliance Configuration

graph TD
    A[Compliance Setup] --> B[Standards]
    A --> C[Controls]
    A --> D[Documentation]

    B --> B1[Select Standards]
    B --> B2[Map Requirements]
    B --> B3[Gap Analysis]

    C --> C1[Implement Controls]
    C --> C2[Test Controls]
    C --> C3[Monitor Controls]

    D --> D1[Policy Docs]
    D --> D2[Procedures]
    D --> D3[Evidence]

Best Practices

Security Recommendations

graph TD
    A[Best Practices] --> B[Design]
    A --> C[Implementation]
    A --> D[Operation]

    B --> B1[Security First]
    B --> B2[Defense in Depth]
    B --> B3[Zero Trust]

    C --> C1[Secure Coding]
    C --> C2[Code Review]
    C --> C3[Testing]

    D --> D1[Monitoring]
    D --> D2[Maintenance]
    D --> D3[Updates]

Compliance Maintenance

graph TD
    A[Compliance Maintenance] --> B[Regular Review]
    A --> C[Updates]
    A --> D[Audits]

    B --> B1[Policy Review]
    B --> B2[Control Review]
    B --> B3[Risk Review]

    C --> C1[Policy Updates]
    C --> C2[Control Updates]
    C --> C3[Training Updates]

    D --> D1[Internal Audit]
    D --> D2[External Audit]
    D --> D3[Certification]

Additional Resources

Security Resources

graph TD
    A[Resources] --> B[Documentation]
    A --> C[Tools]
    A --> D[Training]

    B --> B1[Security Guide]
    B --> B2[Compliance Guide]
    B --> B3[Best Practices]

    C --> C1[Security Tools]
    C --> C2[Monitoring Tools]
    C --> C3[Testing Tools]

    D --> D1[Security Training]
    D --> D2[Compliance Training]
    D --> D3[Technical Training]

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