Unbuilt implements enterprise-grade security measures to protect user data, prevent unauthorized access, and ensure platform integrity. This document provides a comprehensive overview of all security features and best practices implemented in the platform.

1. Infrastructure Security - HTTPS, security headers, reverse proxy protection
2. Application Security - Input validation, authentication, authorization
3. Data Security - Encryption, secure storage, audit logging
4. Monitoring & Response - Real-time monitoring, threat detection, incident response

Implementation: server/services/jwt.ts, server/auth.ts

• Access Tokens - Short-lived (15 minutes) for API access
• Refresh Tokens - Long-lived (7 days) for token renewal
• Token Rotation - Automatic refresh token rotation on use
• Secure Storage - HttpOnly cookies with secure flags

Security Features:

• Separate secrets for access and refresh tokens
• Automatic token cleanup service
• Token blacklisting on logout
• Configurable expiration times

Implementation: server/services/authorizationService.ts, server/middleware/authorization.ts

Roles:

• Admin - Full system access, user management, security monitoring
• User - Standard platform features, personal data access
• Guest - Limited read-only access to public content

Permissions:

• Resource-based permissions (read, write, delete)
• Hierarchical role inheritance
• Dynamic permission checking
• Resource ownership validation

Implementation: server/services/sessionManager.ts, server/middleware/sessionManagement.ts

Features:

• Secure session storage with Redis/MemoryStore
• Session hijacking detection (IP and User-Agent monitoring)
• Automatic session regeneration
• Concurrent session management
• Session timeout and cleanup

Implementation: server/middleware/inputValidation.ts, shared/auth-schema.ts

Validation Layers:

1. Schema Validation - Zod schemas for all inputs
2. Sanitization - DOMPurify for HTML content
3. Type Safety - TypeScript compile-time validation
4. Runtime Checks - Express middleware validation

Protected Against:

• SQL Injection (parameterized queries)
• XSS (Content Security Policy + sanitization)
• CSRF (token-based protection)
• Path traversal attacks
• Command injection
• File upload vulnerabilities

Implementation: server/middleware/rateLimiting.ts

Features:

• Intelligent rate limiting per IP and user
• CAPTCHA integration for suspicious activity
• Sliding window rate limiting
• Configurable limits per endpoint
• Automatic IP blocking for abuse

Rate Limits:

• Authentication endpoints: 5 requests/15 minutes
• API endpoints: 100 requests/15 minutes
• Search endpoints: 10 requests/minute
• CAPTCHA verification: 3 attempts/5 minutes

Implementation: server/services/passwordSecurity.ts, server/services/passwordHistory.ts

Features:

• Bcrypt Hashing - Industry-standard password hashing
• Password History - Prevents reuse of last 12 passwords
• Complexity Requirements - Minimum 8 characters, mixed case, numbers, symbols
• Account Lockout - Progressive lockout after failed attempts
• Password Strength Validation - Real-time strength checking

Account Lockout Policy:

• 3 failed attempts: 5-minute lockout
• 5 failed attempts: 15-minute lockout
• 10 failed attempts: 1-hour lockout
• 20 failed attempts: 24-hour lockout

Implementation: server/middleware/httpsEnforcement.ts, deployment/nginx.conf

Features:

• HTTPS Enforcement - Automatic HTTP to HTTPS redirects
• HSTS Headers - Strict Transport Security with preload
• SSL/TLS Configuration - Modern cipher suites and protocols
• Certificate Management - Automated certificate renewal support

Implementation: server/middleware/securityHeaders.ts

Headers Implemented:

Content-Security-Policy: default-src 'self'; script-src 'self' 'unsafe-inline'
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
X-Frame-Options: DENY
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Referrer-Policy: strict-origin-when-cross-origin
Permissions-Policy: camera=(), microphone=(), geolocation=()

Implementation: server/middleware/securityHeaders.ts

Features:

• Token-based CSRF protection
• Session-integrated tokens
• Automatic token generation and validation
• Multiple token extraction methods (header, body, query)
• API endpoint bypass for JWT authentication

Implementation: server/services/securityLogger.ts, server/middleware/securityMonitoring.ts

Monitored Events:

• Authentication attempts (success/failure)
• Authorization violations
• Rate limit violations
• Session anomalies
• Input validation failures
• Security header violations
• CSRF token violations
• Account lockout events

Log Categories:

• AUTHENTICATION - Login, logout, token refresh
• AUTHORIZATION - Permission checks, role changes
• INPUT_VALIDATION - Validation failures, sanitization
• RATE_LIMITING - Rate limit violations, CAPTCHA triggers
• SESSION_SECURITY - Session creation, hijacking detection
• SECURITY_HEADERS - Header application, violations
• ACCOUNT_LOCKOUT - Lockout events, unlock attempts

Implementation: server/routes/securityDashboard.ts

Features:

• Real-time security metrics
• Event timeline and analysis
• Threat detection alerts
• User activity monitoring
• System health indicators

Access: Admin-only dashboard at /api/security/dashboard

Implementation: server/db.ts, server/storage.ts

Features:

• Parameterized Queries - Drizzle ORM prevents SQL injection
• Connection Security - SSL-encrypted database connections
• Access Control - Database-level user permissions
• Audit Logging - Comprehensive data access logging
• Data Encryption - Sensitive data encryption at rest

Tables:

• security_events - Security event logging
• password_history - Password change history
• session_security - Session security metadata
• account_lockouts - Account lockout tracking
• rate_limit_violations - Rate limiting violations

Implementation: server/config/envValidator.ts, server/config/securityConfig.ts

Validation:

• Required environment variables validation
• Secret strength requirements (minimum 32 characters)
• Production-specific security checks
• Credential detection and validation
• Configuration security assessment

Implementation: server/scripts/securityChecklist.ts, server/scripts/deploymentValidation.ts, server/config/securityConfig.ts

Automated Security Validation:

• Security Checklist - Comprehensive 50+ security checks across all categories
• Deployment Validation - Pre-deployment readiness assessment with critical issue detection
• Environment Validation - Production-specific security requirements verification
• Configuration Security - Security headers, HTTPS enforcement, and CORS validation

Pre-Deployment Checks:

• Environment configuration validation (JWT secrets, database, CORS)
• Security middleware verification (headers, HTTPS, CSRF protection)
• Database security assessment (connection, migrations, schema validation)
• Credential security validation (strength, exposure, demo user removal)
• SSL/TLS configuration check (certificates, HSTS, cipher suites)
• Security header validation (CSP, X-Frame-Options, security policies)
• Authentication system verification (JWT configuration, password policies)
• Session security validation (cookie settings, session management)
• Input validation verification (Zod schemas, sanitization middleware)
• Rate limiting configuration (endpoints, CAPTCHA integration)
• Monitoring system validation (security logging, event tracking)

Deployment Automation:

• Cross-Platform Scripts - Windows (.bat) and Unix (shell) deployment scripts
• Docker Support - Production-ready Docker Compose with security hardening
• Nginx Configuration - Reverse proxy with SSL termination and security headers
• Health Checks - Automated application and service health validation
• Rollback Procedures - Safe deployment with rollback capabilities

Automated Responses:

• Account lockout for brute force attempts
• Rate limiting for suspicious activity
• Session termination for hijacking detection
• CAPTCHA challenges for bot detection
• IP blocking for severe violations

1. Security Breach Detection

   • Immediate session invalidation
   • User notification
   • Security team alert
   • Incident logging

2. Data Breach Response

   • System isolation
   • Forensic analysis
   • User communication
   • Regulatory compliance

3. Recovery Procedures

   • System restoration
   • Security patch deployment
   • Monitoring enhancement
   • Post-incident review

Implementation: server/services/__tests__/comprehensive-security.test.ts

Test Coverage:

• Authentication flow testing
• Authorization boundary testing
• Input validation testing
• Rate limiting verification
• Session security testing
• CSRF protection testing
• Security header validation

Tools:

• Credential Detection - server/scripts/detectCredentials.ts
• Vulnerability Scanning - Automated dependency scanning
• Security Checklist - Comprehensive security validation
• Penetration Testing - Regular security assessments

Compliance:

• OWASP Top 10 - Protection against common vulnerabilities
• NIST Cybersecurity Framework - Comprehensive security controls
• ISO 27001 - Information security management
• SOC 2 Type II - Security and availability controls

Privacy:

• GDPR Compliance - European data protection regulation
• CCPA Compliance - California consumer privacy act
• Data Minimization - Collect only necessary data
• Right to Deletion - User data deletion capabilities

Daily:

• Security event monitoring
• Failed login analysis
• Rate limit violation review
• System health checks

Weekly:

• Security log analysis
• Vulnerability scanning
• Dependency updates
• Configuration review

Monthly:

• Security assessment
• Penetration testing
• Incident response drill
• Security training

Process:

1. Vulnerability assessment
2. Patch development
3. Security testing
4. Staged deployment
5. Monitoring and validation

Security Team: security@unbuilt.one

Reporting Security Issues:

• Email: security@unbuilt.one
• GitHub Security Advisory
• Responsible disclosure policy
• Bug bounty program (coming soon)

• Deployment Security Guide - Production security setup
• Environment Configuration - Secure environment setup
• Rate Limiting Guide - Rate limiting configuration
• Session Management - Session security details
• Password Security - Password policy details
• Authorization Guide - RBAC implementation
• Security Monitoring - Monitoring setup

Last Updated: October 2024
Version: 2.0
Classification: Public Documentation