# Security Standards

## OWASP Top 10 Compliance

### A01: Broken Access Control

| Control | Implementation |
|---------|----------------|
| RBAC enforcement | All endpoints check user roles |
| Resource isolation | Department data segregation |
| CORS configuration | Strict origin validation |

### A02: Cryptographic Failures

| Control | Implementation |
|---------|----------------|
| TLS 1.3 | All traffic encrypted |
| AES-256 | Data encrypted at rest |
| Key rotation | Quarterly secret rotation |

### A03: Injection

| Control | Implementation |
|---------|----------------|
| Parameterized queries | ORM with parameter binding |
| Input validation | Schema validation on all inputs |
| Output encoding | Context-aware escaping |

### A04: Insecure Design

| Control | Implementation |
|---------|----------------|
| Threat modeling | Security review in design phase |
| Least privilege | Minimal permissions by default |
| Defense in depth | Multiple security layers |

### A05: Security Misconfiguration

| Control | Implementation |
|---------|----------------|
| Hardened defaults | Security-first configuration |
| Automated scanning | CI/CD security checks |
| Error handling | No sensitive data in errors |

### A06: Vulnerable Components

| Control | Implementation |
|---------|----------------|
| Dependency scanning | Weekly automated scans |
| Update policy | Critical patches within 48h |
| SBOM | Software bill of materials tracked |

### A07: Authentication Failures

| Control | Implementation |
|---------|----------------|
| Strong passwords | Minimum 12 characters |
| Account lockout | 5 failed attempts |
| Session management | Secure cookie settings |

### A08: Integrity Failures

| Control | Implementation |
|---------|----------------|
| Signed artifacts | All deployments verified |
| Blockchain verification | Certificates on chain |
| Audit logging | Tamper-evident logs |

### A09: Logging Failures

| Control | Implementation |
|---------|----------------|
| Comprehensive logging | All security events captured |
| Log protection | Append-only storage |
| Monitoring | Real-time alerting |

### A10: SSRF

| Control | Implementation |
|---------|----------------|
| URL validation | Allowlist for external requests |
| Network segmentation | Internal services isolated |