- Add Cloud for Sovereignty landing zone architecture and deployment - Implement complete legal document management system - Reorganize documentation with improved navigation - Add infrastructure improvements (Dockerfiles, K8s, monitoring) - Add operational improvements (graceful shutdown, rate limiting, caching) - Create comprehensive project structure documentation - Add Azure deployment automation scripts - Improve repository navigation and organization
279 lines
8.3 KiB
Markdown
279 lines
8.3 KiB
Markdown
# Threat Model
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## Overview
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This document outlines the threat model for The Order monorepo, identifying potential threats, attack vectors, and mitigation strategies.
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## System Architecture
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### Components
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- **Identity Service**: Verifiable credential issuance and verification
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- **Intake Service**: Document ingestion and processing
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- **Finance Service**: Payment processing and ledger management
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- **Dataroom Service**: Secure document storage and access
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- **Database**: PostgreSQL for data persistence
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- **Storage**: S3/GCS for object storage
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- **KMS**: Key management for cryptographic operations
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- **Cache**: Redis for caching
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- **Message Queue**: Background job processing
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- **Event Bus**: Event-driven communication
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### Data Flow
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1. User authentication (JWT/DID/eIDAS)
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2. Document upload and processing
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3. Verifiable credential issuance
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4. Payment processing
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5. Document storage and access
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6. Audit logging
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## Threat Categories
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### 1. Authentication & Authorization Threats
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#### Threat: Unauthorized Access
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- **Description**: Attackers gain access to system without proper authentication
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- **Attack Vectors**:
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- Stolen credentials
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- Weak authentication mechanisms
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- Session hijacking
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- Token theft
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- **Impact**: High - Unauthorized access to sensitive data and operations
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- **Mitigation**:
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- Strong authentication (MFA, OAuth2/OIDC)
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- Secure token storage and transmission
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- Session management with timeouts
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- Rate limiting on authentication endpoints
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- Audit logging of authentication events
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#### Threat: Privilege Escalation
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- **Description**: Users gain access to resources beyond their authorization
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- **Attack Vectors**:
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- Role manipulation
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- Authorization bypass
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- Missing access controls
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- **Impact**: High - Unauthorized access to sensitive operations
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- **Mitigation**:
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- Role-based access control (RBAC)
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- Principle of least privilege
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- Regular access reviews
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- Authorization checks on all endpoints
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- Multi-signature requirements for critical operations
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### 2. Data Protection Threats
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#### Threat: Data Breach
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- **Description**: Unauthorized access to sensitive data
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- **Attack Vectors**:
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- Database injection attacks
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- Unencrypted data storage
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- Insecure data transmission
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- Insider threats
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- **Impact**: Critical - Exposure of sensitive data
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- **Mitigation**:
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- Encryption at rest and in transit
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- Database access controls
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- Data masking in non-production
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- Regular security audits
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- Access logging and monitoring
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#### Threat: Data Tampering
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- **Description**: Unauthorized modification of data
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- **Attack Vectors**:
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- SQL injection
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- Man-in-the-middle attacks
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- Insider threats
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- **Impact**: High - Data integrity compromise
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- **Mitigation**:
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- Input validation and sanitization
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- Parameterized queries
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- Digital signatures for critical data
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- Audit logging
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- Immutable storage (WORM) for critical documents
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### 3. Cryptographic Threats
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#### Threat: Weak Cryptography
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- **Description**: Use of weak cryptographic algorithms or keys
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- **Attack Vectors**:
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- Weak encryption algorithms
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- Insufficient key length
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- Poor key management
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- Cryptographic implementation flaws
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- **Impact**: Critical - Compromise of cryptographic security
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- **Mitigation**:
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- Strong encryption algorithms (AES-256, RSA-2048+)
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- Secure key management (KMS/HSM)
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- Key rotation policies
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- Cryptographic library updates
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- Regular security audits
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#### Threat: Key Compromise
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- **Description**: Unauthorized access to cryptographic keys
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- **Attack Vectors**:
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- Key theft
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- Weak key storage
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- Key exposure in logs or errors
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- **Impact**: Critical - Complete system compromise
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- **Mitigation**:
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- Hardware Security Modules (HSM)
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- Key rotation policies
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- Secure key storage (AWS KMS, Azure Key Vault)
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- Access controls on key operations
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- Audit logging of key usage
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### 4. API Security Threats
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#### Threat: API Abuse
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- **Description**: Unauthorized or excessive API usage
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- **Attack Vectors**:
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- Rate limiting bypass
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- API key theft
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- DDoS attacks
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- Automated scraping
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- **Impact**: Medium - Service disruption, resource exhaustion
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- **Mitigation**:
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- Rate limiting
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- API authentication
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- Request validation
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- DDoS protection
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- Monitoring and alerting
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#### Threat: Injection Attacks
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- **Description**: Malicious code injection through API inputs
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- **Attack Vectors**:
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- SQL injection
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- NoSQL injection
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- Command injection
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- LDAP injection
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- **Impact**: High - Data breach, system compromise
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- **Mitigation**:
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- Input validation and sanitization
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- Parameterized queries
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- Output encoding
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- Least privilege access
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- Security testing
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### 5. Infrastructure Threats
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#### Threat: Container Vulnerabilities
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- **Description**: Vulnerabilities in container images or runtime
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- **Attack Vectors**:
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- Vulnerable base images
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- Misconfigured containers
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- Container escape
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- **Impact**: High - System compromise
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- **Mitigation**:
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- Container image scanning
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- Image signing (Cosign)
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- SBOM generation
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- Regular updates
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- Security best practices
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#### Threat: Supply Chain Attacks
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- **Description**: Compromise through third-party dependencies
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- **Attack Vectors**:
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- Malicious packages
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- Compromised dependencies
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- Typosquatting
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- **Impact**: High - System compromise
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- **Mitigation**:
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- Dependency scanning
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- Package verification
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- SBOM tracking
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- Regular updates
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- Supply chain security monitoring
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### 6. Compliance & Legal Threats
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#### Threat: Non-Compliance
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- **Description**: Failure to meet regulatory requirements
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- **Attack Vectors**:
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- GDPR violations
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- eIDAS non-compliance
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- Data retention issues
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- **Impact**: High - Legal and financial consequences
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- **Mitigation**:
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- Compliance audits
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- Regulatory monitoring
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- Data protection measures
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- Privacy policies
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- Legal review
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## Attack Scenarios
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### Scenario 1: Credential Theft
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1. Attacker steals JWT token from compromised client
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2. Attacker uses token to access API endpoints
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3. Attacker issues fraudulent verifiable credentials
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4. **Mitigation**: Token expiration, refresh tokens, MFA, audit logging
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### Scenario 2: Database Injection
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1. Attacker sends malicious SQL in API request
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2. Database executes malicious query
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3. Attacker extracts sensitive data
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4. **Mitigation**: Parameterized queries, input validation, least privilege
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### Scenario 3: Key Compromise
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1. Attacker gains access to KMS key
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2. Attacker decrypts sensitive data
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3. Attacker signs fraudulent credentials
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4. **Mitigation**: HSM, key rotation, access controls, audit logging
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### Scenario 4: DDoS Attack
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1. Attacker floods API with requests
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2. Service becomes unavailable
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3. Legitimate users cannot access service
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4. **Mitigation**: Rate limiting, DDoS protection, auto-scaling, monitoring
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## Risk Assessment
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### Risk Matrix
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| Threat | Likelihood | Impact | Risk Level | Priority |
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|--------|-----------|--------|------------|----------|
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| Data Breach | Medium | Critical | High | 1 |
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| Key Compromise | Low | Critical | High | 2 |
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| Unauthorized Access | Medium | High | High | 3 |
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| API Abuse | High | Medium | Medium | 4 |
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| Injection Attacks | Medium | High | High | 5 |
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| Container Vulnerabilities | Medium | High | High | 6 |
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| Supply Chain Attacks | Low | High | Medium | 7 |
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| Non-Compliance | Low | High | Medium | 8 |
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## Mitigation Strategies
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### Immediate Actions
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1. Implement comprehensive input validation
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2. Enable encryption at rest and in transit
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3. Set up security monitoring and alerting
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4. Conduct security code review
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5. Implement rate limiting
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### Short-term Actions (1-3 months)
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1. Conduct penetration testing
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2. Implement MFA for critical operations
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3. Set up automated security scanning
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4. Create incident response plan
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5. Conduct security training
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### Long-term Actions (3-6 months)
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1. Implement HSM for key management
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2. Conduct comprehensive security audit
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3. Establish bug bounty program
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4. Implement advanced threat detection
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5. Regular security assessments
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## Review Schedule
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- **Monthly**: Threat model review, security updates
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- **Quarterly**: Comprehensive security audit
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- **Annually**: Penetration testing, compliance audit
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- **As needed**: New features, security incidents, major changes
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## References
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- [OWASP Threat Modeling](https://owasp.org/www-community/Threat_Modeling)
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- [STRIDE Threat Model](https://learn.microsoft.com/en-us/azure/security/develop/threat-modeling-tool-threats)
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- [NIST Cybersecurity Framework](https://www.nist.gov/cyberframework)
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