security_best_practices

Security Best Practices

Complete guide to ContractAI security standards and best practices

Overview

This document provides comprehensive guidance for implementing and maintaining robust security practices in ContractAI, covering secure coding, authentication, authorization, data protection, and security testing.

Security Architecture

Architecture Overview

graph TD
    A[Security] --> B[Authentication]
    A --> C[Authorization]
    A --> D[Protection]

    B --> B1[Identity]
    B --> B2[Verification]
    B --> B3[Session]

    C --> C1[Access]
    C --> C2[Roles]
    C --> C3[Policies]

    D --> D1[Data]
    D --> D2[Network]
    D --> D3[Infrastructure]

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Security Flow

sequenceDiagram
    participant User as User
    participant Auth as Auth
    participant Access as Access
    participant System as System

    User->>Auth: Login
    Auth->>Access: Verify
    Access->>System: Authorize
    System->>User: Access

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Secure Coding

Coding Standards

graph TD
    A[Coding] --> B[Input]
    A --> C[Output]
    A --> D[Processing]

    B --> B1[Validation]
    B --> B2[Sanitization]
    B --> B3[Encoding]

    C --> C1[Encoding]
    C --> C2[Escaping]
    C --> C3[Formatting]

    D --> D1[Memory]
    D --> D2[Threading]
    D --> D3[Error]

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Coding Flow

sequenceDiagram
    participant Dev as Developer
    participant Code as Code
    participant Review as Review
    participant Test as Test

    Dev->>Code: Write
    Code->>Review: Submit
    Review->>Test: Security
    Test->>Dev: Feedback

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Authentication

Auth Architecture

graph TD
    A[Auth] --> B[Methods]
    A --> C[Tokens]
    A --> D[Session]

    B --> B1[Password]
    B --> B2[OAuth]
    B --> B3[MFA]

    C --> C1[JWT]
    C --> C2[Refresh]
    C --> C3[Claims]

    D --> D1[Management]
    D --> D2[Timeout]
    D --> D3[Storage]

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Auth Flow

sequenceDiagram
    participant User as User
    participant Auth as Auth
    participant Token as Token
    participant Session as Session

    User->>Auth: Credentials
    Auth->>Token: Generate
    Token->>Session: Create
    Session->>User: Access

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Authorization

Authz Architecture

graph TD
    A[Authz] --> B[RBAC]
    A --> C[Policies]
    A --> D[Access]

    B --> B1[Roles]
    B --> B2[Permissions]
    B --> B3[Groups]

    C --> C1[Rules]
    C --> C2[Conditions]
    C --> C3[Context]

    D --> D1[Control]
    D --> D2[Audit]
    D --> D3[Monitor]

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Authz Flow

sequenceDiagram
    participant User as User
    participant Role as Role
    participant Policy as Policy
    participant Access as Access

    User->>Role: Assign
    Role->>Policy: Check
    Policy->>Access: Grant
    Access->>User: Resource

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Data Protection

Protection Architecture

graph TD
    A[Protection] --> B[Encryption]
    A --> C[Storage]
    A --> D[Transit]

    B --> B1[At Rest]
    B --> B2[In Transit]
    B --> B3[Keys]

    C --> C1[Secure]
    C --> C2[Backup]
    C --> C3[Archive]

    D --> D1[SSL/TLS]
    D --> D2[VPN]
    D --> D3[API]

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Protection Flow

sequenceDiagram
    participant Data as Data
    participant Encrypt as Encrypt
    participant Store as Store
    participant Access as Access

    Data->>Encrypt: Process
    Encrypt->>Store: Save
    Store->>Access: Retrieve
    Access->>Data: Decrypt

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Security Testing

Testing Architecture

graph TD
    A[Testing] --> B[Static]
    A --> C[Dynamic]
    A --> D[Penetration]

    B --> B1[SAST]
    B --> B2[SCA]
    B --> B3[Review]

    C --> C1[DAST]
    C --> C2[IAST]
    C --> C3[Runtime]

    D --> D1[Vulnerability]
    D --> D2[Exploit]
    D --> D3[Report]

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Testing Flow

sequenceDiagram
    participant Code as Code
    participant Test as Test
    participant Scan as Scan
    participant Report as Report

    Code->>Test: Submit
    Test->>Scan: Analyze
    Scan->>Report: Results
    Report->>Code: Fix

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Compliance

Compliance Architecture

graph TD
    A[Compliance] --> B[Standards]
    A --> C[Audit]
    A --> D[Reporting]

    B --> B1[GDPR]
    B --> B2[SOC2]
    B --> B3[ISO27001]

    C --> C1[Internal]
    C --> C2[External]
    C --> C3[Continuous]

    D --> D1[Status]
    D --> D2[Findings]
    D --> D3[Remediation]

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Compliance Flow

sequenceDiagram
    participant System as System
    participant Audit as Audit
    participant Report as Report
    participant Fix as Fix

    System->>Audit: Check
    Audit->>Report: Findings
    Report->>Fix: Issues
    Fix->>System: Update

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Incident Response

Response Architecture

graph TD
    A[Response] --> B[Detection]
    A --> C[Analysis]
    A --> D[Remediation]

    B --> B1[Monitoring]
    B --> B2[Alerts]
    B --> B3[Logs]

    C --> C1[Investigation]
    C --> C2[Impact]
    C --> C3[Root Cause]

    D --> D1[Contain]
    D --> D2[Fix]
    D --> D3[Recover]

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Response Flow

sequenceDiagram
    participant Alert as Alert
    participant Team as Team
    participant Analyze as Analyze
    participant Fix as Fix

    Alert->>Team: Notify
    Team->>Analyze: Investigate
    Analyze->>Fix: Implement
    Fix->>Alert: Resolve

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Best Practices

Security Standards

graph TD
    A[Standards] --> B[Code]
    A --> C[Process]
    A --> D[Infrastructure]

    B --> B1[Secure]
    B --> B2[Review]
    B --> B3[Test]

    C --> C1[Policy]
    C --> C2[Training]
    C --> C3[Audit]

    D --> D1[Hardening]
    D --> D2[Monitoring]
    D --> D3[Backup]

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Implementation

graph TD
    A[Implementation] --> B[Development]
    A --> C[Deployment]
    A --> D[Operations]

    B --> B1[Secure]
    B --> B2[Review]
    B --> B3[Test]

    C --> C1[Scan]
    C --> C2[Verify]
    C --> C3[Deploy]

    D --> D1[Monitor]
    D --> D2[Update]
    D --> D3[Audit]

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Tools

Security Tools

graph TD
    A[Tools] --> B[Testing]
    A --> C[Monitoring]
    A --> D[Analysis]

    B --> B1[SAST]
    B --> B2[DAST]
    B --> B3[SCA]

    C --> C1[SIEM]
    C --> C2[IDS/IPS]
    C --> C3[WAF]

    D --> D1[Vulnerability]
    D --> D2[Compliance]
    D --> D3[Reporting]

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Tool Flow

sequenceDiagram
    participant Code as Code
    participant Test as Test
    participant Monitor as Monitor
    participant Alert as Alert

    Code->>Test: Scan
    Test->>Monitor: Deploy
    Monitor->>Alert: Detect
    Alert->>Code: Fix

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Need help with security? Contact our security team at [email protected] or visit our Security Portal

Next Steps

1. Review security guide
2. Implement practices
3. Run security tests
4. Monitor systems
5. Update regularly
6. Train team

Additional Resources

• Development Guide
• Environment Setup
• Code Style Guide
• Testing Guide
• Security Portal