70 lines
1.4 KiB
Markdown
70 lines
1.4 KiB
Markdown
# Security Architecture Specification
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## Overview
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Security architecture including threat model, security boundaries, and security controls.
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## Threat Model
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### Threat Categories
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**1. External Threats**:
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- DDoS attacks
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- SQL injection
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- XSS attacks
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- API abuse
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**2. Internal Threats**:
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- Privileged user abuse
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- Data breaches
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- Insider threats
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**3. Infrastructure Threats**:
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- Node compromise
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- Database breaches
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- Network attacks
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## Security Boundaries
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**DMZ**: Public-facing services
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**Internal Network**: Backend services
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**Data Layer**: Database and storage (isolated)
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**Blockchain Network**: Node network (isolated)
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## KMS/HSM Integration
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### Key Management
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**Storage**: Hardware Security Module (HSM)
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**Usage**: API keys, signing keys, encryption keys
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**Access**: Role-based, audit logged
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## Secrets Management
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### Secret Storage
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**Solution**: Vault, AWS Secrets Manager, or similar
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**Encryption**: At rest and in transit
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**Rotation**: Regular key rotation
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**Access**: Least privilege principle
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## Signed Builds and SBOM
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### Build Signing
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**Process**: Sign all builds
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**Verification**: Verify signatures before deployment
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**Tooling**: Code signing certificates
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### SBOM (Software Bill of Materials)
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**Generation**: Generate SBOM for all dependencies
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**Storage**: Store SBOM for audit
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**Vulnerability Scanning**: Scan SBOM for known vulnerabilities
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## References
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- Authentication: See `auth-spec.md`
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- Privacy: See `privacy-controls.md`
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