Security Overview

Security Layers

┌─────────────────────────────────────────────────────────────┐
│                    Security Architecture                      │
│                                                              │
│  ┌──────────────┐    ┌──────────────┐    ┌──────────────┐  │
│  │    Auth      │    │     RBAC     │    │    Audit     │  │
│  │  (Keycloak)  │    │  (PostgreSQL)│    │  (OpenSearch)│  │
│  └──────────────┘    └──────────────┘    └──────────────┘  │
│                                                              │
│  ┌──────────────┐    ┌──────────────┐    ┌──────────────┐  │
│  │    TLS       │    │   Network    │    │   Wazuh      │  │
│  │  (HTTPS)     │    │  (Docker)    │    │  (SIEM)      │  │
│  └──────────────┘    └──────────────┘    └──────────────┘  │
└─────────────────────────────────────────────────────────────┘

Components

Component	Technology	Function
Authentication	Keycloak	SSO, JWT tokens
Authorization	PostgreSQL RBAC	Permission-based access
Audit Trail	OpenSearch	Immutable logging
Network Security	Docker Network	Isolation
TLS	Self-signed certs	Encryption in transit
SIEM	Wazuh	Security monitoring

Security Features

Authentication

• JWT token-based authentication
• Keycloak SSO integration
• Token validation via JWKS

Authorization

• Role-Based Access Control (RBAC)
• Permission-based API access
• Multi-tenant data isolation

Audit Trail

• Immutable audit logging
• Hash chain verification
• 90-day retention

Network Security

• Docker network isolation
• TLS for OpenSearch
• CORS configuration

Security Monitoring

• Wazuh SIEM integration
• Real-time alerting
• Threat detection

Next Steps

• Keycloak - Authentication setup
• RBAC - Role-Based Access Control
• Audit Trail - Audit logging
• ISO Compliance - Compliance features